Home / 731,324.27-1,008,821.31-425,366.21

Finding the Fourth Proportional to 731,324.27, 1,008,821.31 and 425,366.21

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Solution

The fourth proportional to 731,324.27, 1,008,821.31 and 425,366.21 is: 586,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,324.27 : 1,008,821.31 = 425,366.21 : x
  2. Step 2: Convert to fraction form
    731,324.27/1,008,821.31 = 425,366.21/x
  3. Step 3: Cross multiply
    731,324.27x = 1,008,821.31 × 425,366.21
  4. Step 4: Simplify right side
    731,324.27x = 429,118,497,201.94
  5. Step 5: Solve for x
    x = 429,118,497,201.94/731,324.27
  6. Step 6: Final answer
    x = 586,769.12

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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.