Home / 498,498.16-687,901.44-272,099.92

Finding the Fourth Proportional to 498,498.16, 687,901.44 and 272,099.92

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Solution

The fourth proportional to 498,498.16, 687,901.44 and 272,099.92 is: 375,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,498.16 : 687,901.44 = 272,099.92 : x
  2. Step 2: Convert to fraction form
    498,498.16/687,901.44 = 272,099.92/x
  3. Step 3: Cross multiply
    498,498.16x = 687,901.44 × 272,099.92
  4. Step 4: Simplify right side
    498,498.16x = 187,177,926,791.89
  5. Step 5: Solve for x
    x = 187,177,926,791.89/498,498.16
  6. Step 6: Final answer
    x = 375,483.69

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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.