Home / 731,921.40-1,097,882.10-258,654.60

Finding the Fourth Proportional to 731,921.40, 1,097,882.10 and 258,654.60

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Solution

The fourth proportional to 731,921.40, 1,097,882.10 and 258,654.60 is: 387,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,921.40 : 1,097,882.10 = 258,654.60 : x
  2. Step 2: Convert to fraction form
    731,921.40/1,097,882.10 = 258,654.60/x
  3. Step 3: Cross multiply
    731,921.40x = 1,097,882.10 × 258,654.60
  4. Step 4: Simplify right side
    731,921.40x = 283,972,255,422.66
  5. Step 5: Solve for x
    x = 283,972,255,422.66/731,921.40
  6. Step 6: Final answer
    x = 387,981.90

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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.