Home / 731,022.48-1,008,764.28-408,759.12

Finding the Fourth Proportional to 731,022.48, 1,008,764.28 and 408,759.12

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Solution

The fourth proportional to 731,022.48, 1,008,764.28 and 408,759.12 is: 564,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,022.48 : 1,008,764.28 = 408,759.12 : x
  2. Step 2: Convert to fraction form
    731,022.48/1,008,764.28 = 408,759.12/x
  3. Step 3: Cross multiply
    731,022.48x = 1,008,764.28 × 408,759.12
  4. Step 4: Simplify right side
    731,022.48x = 412,341,599,380.23
  5. Step 5: Solve for x
    x = 412,341,599,380.23/731,022.48
  6. Step 6: Final answer
    x = 564,061.45

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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.