Home / 749,233.70-1,123,850.55-300,023.90

Finding the Fourth Proportional to 749,233.70, 1,123,850.55 and 300,023.90

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Solution

The fourth proportional to 749,233.70, 1,123,850.55 and 300,023.90 is: 450,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,233.70 : 1,123,850.55 = 300,023.90 : x
  2. Step 2: Convert to fraction form
    749,233.70/1,123,850.55 = 300,023.90/x
  3. Step 3: Cross multiply
    749,233.70x = 1,123,850.55 × 300,023.90
  4. Step 4: Simplify right side
    749,233.70x = 337,182,025,028.15
  5. Step 5: Solve for x
    x = 337,182,025,028.15/749,233.70
  6. Step 6: Final answer
    x = 450,035.85

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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.