Home / 498,499.53-687,925.85-272,145.03

Finding the Fourth Proportional to 498,499.53, 687,925.85 and 272,145.03

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Solution

The fourth proportional to 498,499.53, 687,925.85 and 272,145.03 is: 375,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,499.53 : 687,925.85 = 272,145.03 : x
  2. Step 2: Convert to fraction form
    498,499.53/687,925.85 = 272,145.03/x
  3. Step 3: Cross multiply
    498,499.53x = 687,925.85 × 272,145.03
  4. Step 4: Simplify right side
    498,499.53x = 187,215,599,725.30
  5. Step 5: Solve for x
    x = 187,215,599,725.30/498,499.53
  6. Step 6: Final answer
    x = 375,558.23

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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.