Home / 327,743.40-491,615.10-282,642.60

Finding the Fourth Proportional to 327,743.40, 491,615.10 and 282,642.60

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Solution

The fourth proportional to 327,743.40, 491,615.10 and 282,642.60 is: 423,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,743.40 : 491,615.10 = 282,642.60 : x
  2. Step 2: Convert to fraction form
    327,743.40/491,615.10 = 282,642.60/x
  3. Step 3: Cross multiply
    327,743.40x = 491,615.10 × 282,642.60
  4. Step 4: Simplify right side
    327,743.40x = 138,951,370,063.26
  5. Step 5: Solve for x
    x = 138,951,370,063.26/327,743.40
  6. Step 6: Final answer
    x = 423,963.90

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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.