Home / 498,370.26-687,758.13-272,010.90

Finding the Fourth Proportional to 498,370.26, 687,758.13 and 272,010.90

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Solution

The fourth proportional to 498,370.26, 687,758.13 and 272,010.90 is: 375,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,370.26 : 687,758.13 = 272,010.90 : x
  2. Step 2: Convert to fraction form
    498,370.26/687,758.13 = 272,010.90/x
  3. Step 3: Cross multiply
    498,370.26x = 687,758.13 × 272,010.90
  4. Step 4: Simplify right side
    498,370.26x = 187,077,707,923.62
  5. Step 5: Solve for x
    x = 187,077,707,923.62/498,370.26
  6. Step 6: Final answer
    x = 375,378.96

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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.