Finding the Fourth Proportional to 694,865.24, 1,042,286.91 and 221,547.41
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Solution
The fourth proportional to 694,865.24, 1,042,286.91 and 221,547.41 is: 332,317.62
Step by Step Solution
- Step 1: Write the proportion equation
694,865.24 : 1,042,286.91 = 221,547.41 : x - Step 2: Convert to fraction form
694,865.24/1,042,286.91 = 221,547.41/x - Step 3: Cross multiply
694,865.24x = 1,042,286.91 × 221,547.41 - Step 4: Simplify right side
694,865.24x = 230,915,965,387.40 - Step 5: Solve for x
x = 230,915,965,387.40/694,865.24 - Step 6: Final answer
x = 332,317.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.