Home / 325,839.20-488,758.80-276,631.70

Finding the Fourth Proportional to 325,839.20, 488,758.80 and 276,631.70

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Solution

The fourth proportional to 325,839.20, 488,758.80 and 276,631.70 is: 414,947.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,839.20 : 488,758.80 = 276,631.70 : x
  2. Step 2: Convert to fraction form
    325,839.20/488,758.80 = 276,631.70/x
  3. Step 3: Cross multiply
    325,839.20x = 488,758.80 × 276,631.70
  4. Step 4: Simplify right side
    325,839.20x = 135,206,177,733.96
  5. Step 5: Solve for x
    x = 135,206,177,733.96/325,839.20
  6. Step 6: Final answer
    x = 414,947.55

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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.