Home / 679,534.92-1,017,084.47-499,572.70

Finding the Fourth Proportional to 679,534.92, 1,017,084.47 and 499,572.70

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Solution

The fourth proportional to 679,534.92, 1,017,084.47 and 499,572.70 is: 747,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,534.92 : 1,017,084.47 = 499,572.70 : x
  2. Step 2: Convert to fraction form
    679,534.92/1,017,084.47 = 499,572.70/x
  3. Step 3: Cross multiply
    679,534.92x = 1,017,084.47 × 499,572.70
  4. Step 4: Simplify right side
    679,534.92x = 508,107,629,765.39
  5. Step 5: Solve for x
    x = 508,107,629,765.39/679,534.92
  6. Step 6: Final answer
    x = 747,728.50

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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.