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Finding the Fourth Proportional to 820,375.88, 1,132,044.87 and 514,354.43

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Solution

The fourth proportional to 820,375.88, 1,132,044.87 and 514,354.43 is: 709,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,375.88 : 1,132,044.87 = 514,354.43 : x
  2. Step 2: Convert to fraction form
    820,375.88/1,132,044.87 = 514,354.43/x
  3. Step 3: Cross multiply
    820,375.88x = 1,132,044.87 × 514,354.43
  4. Step 4: Simplify right side
    820,375.88x = 582,272,293,843.27
  5. Step 5: Solve for x
    x = 582,272,293,843.27/820,375.88
  6. Step 6: Final answer
    x = 709,762.81

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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.