Home / 724,552.38-999,885.90-452,778.21

Finding the Fourth Proportional to 724,552.38, 999,885.90 and 452,778.21

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Solution

The fourth proportional to 724,552.38, 999,885.90 and 452,778.21 is: 624,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,552.38 : 999,885.90 = 452,778.21 : x
  2. Step 2: Convert to fraction form
    724,552.38/999,885.90 = 452,778.21/x
  3. Step 3: Cross multiply
    724,552.38x = 999,885.90 × 452,778.21
  4. Step 4: Simplify right side
    724,552.38x = 452,726,548,006.24
  5. Step 5: Solve for x
    x = 452,726,548,006.24/724,552.38
  6. Step 6: Final answer
    x = 624,836.19

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Similar ratio
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1.5x scale

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.