Home / 905,882.68-1,250,134.02-498,001.72

Finding the Fourth Proportional to 905,882.68, 1,250,134.02 and 498,001.72

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Solution

The fourth proportional to 905,882.68, 1,250,134.02 and 498,001.72 is: 687,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,882.68 : 1,250,134.02 = 498,001.72 : x
  2. Step 2: Convert to fraction form
    905,882.68/1,250,134.02 = 498,001.72/x
  3. Step 3: Cross multiply
    905,882.68x = 1,250,134.02 × 498,001.72
  4. Step 4: Simplify right side
    905,882.68x = 622,568,892,190.51
  5. Step 5: Solve for x
    x = 622,568,892,190.51/905,882.68
  6. Step 6: Final answer
    x = 687,251.13

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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.