Home / 498,581.34-747,873.24-199,086.30

Finding the Fourth Proportional to 498,581.34, 747,873.24 and 199,086.30

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Solution

The fourth proportional to 498,581.34, 747,873.24 and 199,086.30 is: 298,629.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,581.34 : 747,873.24 = 199,086.30 : x
  2. Step 2: Convert to fraction form
    498,581.34/747,873.24 = 199,086.30/x
  3. Step 3: Cross multiply
    498,581.34x = 747,873.24 × 199,086.30
  4. Step 4: Simplify right side
    498,581.34x = 148,891,316,220.61
  5. Step 5: Solve for x
    x = 148,891,316,220.61/498,581.34
  6. Step 6: Final answer
    x = 298,629.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.