Home / 731,635.20-1,097,452.80-654,220.80

Finding the Fourth Proportional to 731,635.20, 1,097,452.80 and 654,220.80

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Solution

The fourth proportional to 731,635.20, 1,097,452.80 and 654,220.80 is: 981,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,635.20 : 1,097,452.80 = 654,220.80 : x
  2. Step 2: Convert to fraction form
    731,635.20/1,097,452.80 = 654,220.80/x
  3. Step 3: Cross multiply
    731,635.20x = 1,097,452.80 × 654,220.80
  4. Step 4: Simplify right side
    731,635.20x = 717,976,448,778.24
  5. Step 5: Solve for x
    x = 717,976,448,778.24/731,635.20
  6. Step 6: Final answer
    x = 981,331.20

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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.