Home / 747,834.54-1,121,899.68-274,524

Finding the Fourth Proportional to 747,834.54, 1,121,899.68 and 274,524

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Solution

The fourth proportional to 747,834.54, 1,121,899.68 and 274,524 is: 411,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,834.54 : 1,121,899.68 = 274,524 : x
  2. Step 2: Convert to fraction form
    747,834.54/1,121,899.68 = 274,524/x
  3. Step 3: Cross multiply
    747,834.54x = 1,121,899.68 × 274,524
  4. Step 4: Simplify right side
    747,834.54x = 307,988,387,752.32
  5. Step 5: Solve for x
    x = 307,988,387,752.32/747,834.54
  6. Step 6: Final answer
    x = 411,840.28

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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.