Home / 934,951.20-1,402,499.70-402,489.60

Finding the Fourth Proportional to 934,951.20, 1,402,499.70 and 402,489.60

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Solution

The fourth proportional to 934,951.20, 1,402,499.70 and 402,489.60 is: 603,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,951.20 : 1,402,499.70 = 402,489.60 : x
  2. Step 2: Convert to fraction form
    934,951.20/1,402,499.70 = 402,489.60/x
  3. Step 3: Cross multiply
    934,951.20x = 1,402,499.70 × 402,489.60
  4. Step 4: Simplify right side
    934,951.20x = 564,491,543,253.12
  5. Step 5: Solve for x
    x = 564,491,543,253.12/934,951.20
  6. Step 6: Final answer
    x = 603,765.78

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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.