Finding the Fourth Proportional to 987,614.08, 1,481,115.52 and 356,448
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Solution
The fourth proportional to 987,614.08, 1,481,115.52 and 356,448 is: 534,561.70
Step by Step Solution
- Step 1: Write the proportion equation
987,614.08 : 1,481,115.52 = 356,448 : x - Step 2: Convert to fraction form
987,614.08/1,481,115.52 = 356,448/x - Step 3: Cross multiply
987,614.08x = 1,481,115.52 × 356,448 - Step 4: Simplify right side
987,614.08x = 527,940,664,872.96 - Step 5: Solve for x
x = 527,940,664,872.96/987,614.08 - Step 6: Final answer
x = 534,561.70
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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.