Home / 731,177.68-1,009,006.25-404,502.76

Finding the Fourth Proportional to 731,177.68, 1,009,006.25 and 404,502.76

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Solution

The fourth proportional to 731,177.68, 1,009,006.25 and 404,502.76 is: 558,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,177.68 : 1,009,006.25 = 404,502.76 : x
  2. Step 2: Convert to fraction form
    731,177.68/1,009,006.25 = 404,502.76/x
  3. Step 3: Cross multiply
    731,177.68x = 1,009,006.25 × 404,502.76
  4. Step 4: Simplify right side
    731,177.68x = 408,145,807,937.22
  5. Step 5: Solve for x
    x = 408,145,807,937.22/731,177.68
  6. Step 6: Final answer
    x = 558,203.32

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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.