Home / 498,261.17-687,712.48-326,079.27

Finding the Fourth Proportional to 498,261.17, 687,712.48 and 326,079.27

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Solution

The fourth proportional to 498,261.17, 687,712.48 and 326,079.27 is: 450,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,261.17 : 687,712.48 = 326,079.27 : x
  2. Step 2: Convert to fraction form
    498,261.17/687,712.48 = 326,079.27/x
  3. Step 3: Cross multiply
    498,261.17x = 687,712.48 × 326,079.27
  4. Step 4: Simplify right side
    498,261.17x = 224,248,782,633.09
  5. Step 5: Solve for x
    x = 224,248,782,633.09/498,261.17
  6. Step 6: Final answer
    x = 450,062.73

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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.