Home / 731,428.20-1,097,142.30-466,363.80

Finding the Fourth Proportional to 731,428.20, 1,097,142.30 and 466,363.80

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Solution

The fourth proportional to 731,428.20, 1,097,142.30 and 466,363.80 is: 699,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,428.20 : 1,097,142.30 = 466,363.80 : x
  2. Step 2: Convert to fraction form
    731,428.20/1,097,142.30 = 466,363.80/x
  3. Step 3: Cross multiply
    731,428.20x = 1,097,142.30 × 466,363.80
  4. Step 4: Simplify right side
    731,428.20x = 511,667,452,168.74
  5. Step 5: Solve for x
    x = 511,667,452,168.74/731,428.20
  6. Step 6: Final answer
    x = 699,545.70

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Double scale
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Similar ratio
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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.