Home / 764,233.60-1,146,350.40-752,423.80

Finding the Fourth Proportional to 764,233.60, 1,146,350.40 and 752,423.80

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Solution

The fourth proportional to 764,233.60, 1,146,350.40 and 752,423.80 is: 1,128,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,233.60 : 1,146,350.40 = 752,423.80 : x
  2. Step 2: Convert to fraction form
    764,233.60/1,146,350.40 = 752,423.80/x
  3. Step 3: Cross multiply
    764,233.60x = 1,146,350.40 × 752,423.80
  4. Step 4: Simplify right side
    764,233.60x = 862,541,324,099.52
  5. Step 5: Solve for x
    x = 862,541,324,099.52/764,233.60
  6. Step 6: Final answer
    x = 1,128,635.70

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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.