Home / 801,294.60-1,200,192.30-485,200.20

Finding the Fourth Proportional to 801,294.60, 1,200,192.30 and 485,200.20

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Solution

The fourth proportional to 801,294.60, 1,200,192.30 and 485,200.20 is: 726,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,294.60 : 1,200,192.30 = 485,200.20 : x
  2. Step 2: Convert to fraction form
    801,294.60/1,200,192.30 = 485,200.20/x
  3. Step 3: Cross multiply
    801,294.60x = 1,200,192.30 × 485,200.20
  4. Step 4: Simplify right side
    801,294.60x = 582,333,543,998.46
  5. Step 5: Solve for x
    x = 582,333,543,998.46/801,294.60
  6. Step 6: Final answer
    x = 726,740.88

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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.