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Finding the Fourth Proportional to 474,951.60, 712,427.40 and 454,474.80

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Solution

The fourth proportional to 474,951.60, 712,427.40 and 454,474.80 is: 681,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,951.60 : 712,427.40 = 454,474.80 : x
  2. Step 2: Convert to fraction form
    474,951.60/712,427.40 = 454,474.80/x
  3. Step 3: Cross multiply
    474,951.60x = 712,427.40 × 454,474.80
  4. Step 4: Simplify right side
    474,951.60x = 323,780,300,129.52
  5. Step 5: Solve for x
    x = 323,780,300,129.52/474,951.60
  6. Step 6: Final answer
    x = 681,712.20

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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.