Home / 724,753.35-1,086,758.15-383,381.03

Finding the Fourth Proportional to 724,753.35, 1,086,758.15 and 383,381.03

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Solution

The fourth proportional to 724,753.35, 1,086,758.15 and 383,381.03 is: 574,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,753.35 : 1,086,758.15 = 383,381.03 : x
  2. Step 2: Convert to fraction form
    724,753.35/1,086,758.15 = 383,381.03/x
  3. Step 3: Cross multiply
    724,753.35x = 1,086,758.15 × 383,381.03
  4. Step 4: Simplify right side
    724,753.35x = 416,642,454,432.56
  5. Step 5: Solve for x
    x = 416,642,454,432.56/724,753.35
  6. Step 6: Final answer
    x = 574,874.82

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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.