Home / 749,027.20-1,123,540.80-250,391.20

Finding the Fourth Proportional to 749,027.20, 1,123,540.80 and 250,391.20

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Solution

The fourth proportional to 749,027.20, 1,123,540.80 and 250,391.20 is: 375,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,027.20 : 1,123,540.80 = 250,391.20 : x
  2. Step 2: Convert to fraction form
    749,027.20/1,123,540.80 = 250,391.20/x
  3. Step 3: Cross multiply
    749,027.20x = 1,123,540.80 × 250,391.20
  4. Step 4: Simplify right side
    749,027.20x = 281,324,729,160.96
  5. Step 5: Solve for x
    x = 281,324,729,160.96/749,027.20
  6. Step 6: Final answer
    x = 375,586.80

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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.