Home / 731,324.28-1,008,821.30-425,366.22

Finding the Fourth Proportional to 731,324.28, 1,008,821.30 and 425,366.22

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Solution

The fourth proportional to 731,324.28, 1,008,821.30 and 425,366.22 is: 586,769.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,324.28 : 1,008,821.30 = 425,366.22 : x
  2. Step 2: Convert to fraction form
    731,324.28/1,008,821.30 = 425,366.22/x
  3. Step 3: Cross multiply
    731,324.28x = 1,008,821.30 × 425,366.22
  4. Step 4: Simplify right side
    731,324.28x = 429,118,503,036.49
  5. Step 5: Solve for x
    x = 429,118,503,036.49/731,324.28
  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.