Finding the Fourth Proportional to 508,565.10, 762,847.65 and 396,329.28
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Solution
The fourth proportional to 508,565.10, 762,847.65 and 396,329.28 is: 594,493.92
Step by Step Solution
- Step 1: Write the proportion equation
508,565.10 : 762,847.65 = 396,329.28 : x - Step 2: Convert to fraction form
508,565.10/762,847.65 = 396,329.28/x - Step 3: Cross multiply
508,565.10x = 762,847.65 × 396,329.28 - Step 4: Simplify right side
508,565.10x = 302,338,859,874.19 - Step 5: Solve for x
x = 302,338,859,874.19/508,565.10 - Step 6: Final answer
x = 594,493.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.