Home / 724,823.89-1,000,757.38-453,013.97

Finding the Fourth Proportional to 724,823.89, 1,000,757.38 and 453,013.97

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Solution

The fourth proportional to 724,823.89, 1,000,757.38 and 453,013.97 is: 625,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,823.89 : 1,000,757.38 = 453,013.97 : x
  2. Step 2: Convert to fraction form
    724,823.89/1,000,757.38 = 453,013.97/x
  3. Step 3: Cross multiply
    724,823.89x = 1,000,757.38 × 453,013.97
  4. Step 4: Simplify right side
    724,823.89x = 453,357,068,433.68
  5. Step 5: Solve for x
    x = 453,357,068,433.68/724,823.89
  6. Step 6: Final answer
    x = 625,472.03

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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.