Home / 724,754.85-1,086,760.40-383,382.53

Finding the Fourth Proportional to 724,754.85, 1,086,760.40 and 383,382.53

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Solution

The fourth proportional to 724,754.85, 1,086,760.40 and 383,382.53 is: 574,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,754.85 : 1,086,760.40 = 383,382.53 : x
  2. Step 2: Convert to fraction form
    724,754.85/1,086,760.40 = 383,382.53/x
  3. Step 3: Cross multiply
    724,754.85x = 1,086,760.40 × 383,382.53
  4. Step 4: Simplify right side
    724,754.85x = 416,644,944,305.10
  5. Step 5: Solve for x
    x = 416,644,944,305.10/724,754.85
  6. Step 6: Final answer
    x = 574,877.07

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Double scale
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1.5x scale

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.