Home / 731,397.92-1,009,422.56-409,125.92

Finding the Fourth Proportional to 731,397.92, 1,009,422.56 and 409,125.92

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Solution

The fourth proportional to 731,397.92, 1,009,422.56 and 409,125.92 is: 564,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,397.92 : 1,009,422.56 = 409,125.92 : x
  2. Step 2: Convert to fraction form
    731,397.92/1,009,422.56 = 409,125.92/x
  3. Step 3: Cross multiply
    731,397.92x = 1,009,422.56 × 409,125.92
  4. Step 4: Simplify right side
    731,397.92x = 412,980,933,528.76
  5. Step 5: Solve for x
    x = 412,980,933,528.76/731,397.92
  6. Step 6: Final answer
    x = 564,646.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.