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Finding the Fourth Proportional to 454,304.40, 681,456.60 and 410,067.60

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Solution

The fourth proportional to 454,304.40, 681,456.60 and 410,067.60 is: 615,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,304.40 : 681,456.60 = 410,067.60 : x
  2. Step 2: Convert to fraction form
    454,304.40/681,456.60 = 410,067.60/x
  3. Step 3: Cross multiply
    454,304.40x = 681,456.60 × 410,067.60
  4. Step 4: Simplify right side
    454,304.40x = 279,443,272,466.16
  5. Step 5: Solve for x
    x = 279,443,272,466.16/454,304.40
  6. Step 6: Final answer
    x = 615,101.40

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Similar ratio
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1.5x scale

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.