Home / 632,001.70-948,002.55-408,052.90

Finding the Fourth Proportional to 632,001.70, 948,002.55 and 408,052.90

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Solution

The fourth proportional to 632,001.70, 948,002.55 and 408,052.90 is: 612,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,001.70 : 948,002.55 = 408,052.90 : x
  2. Step 2: Convert to fraction form
    632,001.70/948,002.55 = 408,052.90/x
  3. Step 3: Cross multiply
    632,001.70x = 948,002.55 × 408,052.90
  4. Step 4: Simplify right side
    632,001.70x = 386,835,189,734.90
  5. Step 5: Solve for x
    x = 386,835,189,734.90/632,001.70
  6. Step 6: Final answer
    x = 612,079.35

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Double scale
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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.