To find the volume of the beach ball, we need to use the formula for the volume of a sphere:
\[ V = \frac{4}{3} \pi r^3 \]
First, we need to determine the radius \( r \) of the sphere. Since the diameter of the beach ball is 12 inches, the radius is half of that:
\[ r = \frac{12}{2} = 6 \text{ inches} \]
Now we can substitute the radius into the volume formula. Using \( \pi \approx 3.14 \):
\[ V = \frac{4}{3} \times 3.14 \times (6)^3 \]
Calculating \( 6^3 \):
\[ 6^3 = 216 \]
Now, plug that back into the formula:
\[ V = \frac{4}{3} \times 3.14 \times 216 \]
Calculating \( \frac{4}{3} \times 216 \):
\[ \frac{4 \times 216}{3} = \frac{864}{3} = 288 \]
Now, multiply by \( 3.14 \):
\[ V = 288 \times 3.14 = 904.32 \]
Thus, the volume of the beach ball is:
\[ \boxed{904.32} \text{ in}^3 \]
The correct response is 904.32 in³.