Home / 498,432.20-747,575.40-143,409.20

Finding the Fourth Proportional to 498,432.20, 747,575.40 and 143,409.20

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Solution

The fourth proportional to 498,432.20, 747,575.40 and 143,409.20 is: 215,092.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,432.20 : 747,575.40 = 143,409.20 : x
  2. Step 2: Convert to fraction form
    498,432.20/747,575.40 = 143,409.20/x
  3. Step 3: Cross multiply
    498,432.20x = 747,575.40 × 143,409.20
  4. Step 4: Simplify right side
    498,432.20x = 107,209,190,053.68
  5. Step 5: Solve for x
    x = 107,209,190,053.68/498,432.20
  6. Step 6: Final answer
    x = 215,092.83

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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.