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Finding the Fourth Proportional to 454,255.58, 681,383.36 and 454,255.58

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Solution

The fourth proportional to 454,255.58, 681,383.36 and 454,255.58 is: 681,383.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,255.58 : 681,383.36 = 454,255.58 : x
  2. Step 2: Convert to fraction form
    454,255.58/681,383.36 = 454,255.58/x
  3. Step 3: Cross multiply
    454,255.58x = 681,383.36 × 454,255.58
  4. Step 4: Simplify right side
    454,255.58x = 309,522,191,127.87
  5. Step 5: Solve for x
    x = 309,522,191,127.87/454,255.58
  6. Step 6: Final answer
    x = 681,383.36

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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.