Home / 731,359.92-1,009,370.16-409,087.92

Finding the Fourth Proportional to 731,359.92, 1,009,370.16 and 409,087.92

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Solution

The fourth proportional to 731,359.92, 1,009,370.16 and 409,087.92 is: 564,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,359.92 : 1,009,370.16 = 409,087.92 : x
  2. Step 2: Convert to fraction form
    731,359.92/1,009,370.16 = 409,087.92/x
  3. Step 3: Cross multiply
    731,359.92x = 1,009,370.16 × 409,087.92
  4. Step 4: Simplify right side
    731,359.92x = 412,921,139,264.47
  5. Step 5: Solve for x
    x = 412,921,139,264.47/731,359.92
  6. Step 6: Final answer
    x = 564,593.61

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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.