Home / 747,793.10-1,121,689.65-449,194.70

Finding the Fourth Proportional to 747,793.10, 1,121,689.65 and 449,194.70

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Solution

The fourth proportional to 747,793.10, 1,121,689.65 and 449,194.70 is: 673,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,793.10 : 1,121,689.65 = 449,194.70 : x
  2. Step 2: Convert to fraction form
    747,793.10/1,121,689.65 = 449,194.70/x
  3. Step 3: Cross multiply
    747,793.10x = 1,121,689.65 × 449,194.70
  4. Step 4: Simplify right side
    747,793.10x = 503,857,045,824.86
  5. Step 5: Solve for x
    x = 503,857,045,824.86/747,793.10
  6. Step 6: Final answer
    x = 673,792.05

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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.