Home / 731,331.60-1,096,997.40-666,013.20

Finding the Fourth Proportional to 731,331.60, 1,096,997.40 and 666,013.20

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Solution

The fourth proportional to 731,331.60, 1,096,997.40 and 666,013.20 is: 999,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,331.60 : 1,096,997.40 = 666,013.20 : x
  2. Step 2: Convert to fraction form
    731,331.60/1,096,997.40 = 666,013.20/x
  3. Step 3: Cross multiply
    731,331.60x = 1,096,997.40 × 666,013.20
  4. Step 4: Simplify right side
    731,331.60x = 730,614,748,765.68
  5. Step 5: Solve for x
    x = 730,614,748,765.68/731,331.60
  6. Step 6: Final answer
    x = 999,019.80

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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.