Home / 800,342.17-1,200,515.28-327,027.53

Finding the Fourth Proportional to 800,342.17, 1,200,515.28 and 327,027.53

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Solution

The fourth proportional to 800,342.17, 1,200,515.28 and 327,027.53 is: 490,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,342.17 : 1,200,515.28 = 327,027.53 : x
  2. Step 2: Convert to fraction form
    800,342.17/1,200,515.28 = 327,027.53/x
  3. Step 3: Cross multiply
    800,342.17x = 1,200,515.28 × 327,027.53
  4. Step 4: Simplify right side
    800,342.17x = 392,601,541,767.70
  5. Step 5: Solve for x
    x = 392,601,541,767.70/800,342.17
  6. Step 6: Final answer
    x = 490,542.12

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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.