Finding the Fourth Proportional to 558,711.38, 771,006.92 and 304,057.10
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Solution
The fourth proportional to 558,711.38, 771,006.92 and 304,057.10 is: 419,590.75
Step by Step Solution
- Step 1: Write the proportion equation
558,711.38 : 771,006.92 = 304,057.10 : x - Step 2: Convert to fraction form
558,711.38/771,006.92 = 304,057.10/x - Step 3: Cross multiply
558,711.38x = 771,006.92 × 304,057.10 - Step 4: Simplify right side
558,711.38x = 234,430,128,175.13 - Step 5: Solve for x
x = 234,430,128,175.13/558,711.38 - Step 6: Final answer
x = 419,590.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.