Home / 980,936.76-1,471,171.86-270,949.08

Finding the Fourth Proportional to 980,936.76, 1,471,171.86 and 270,949.08

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Solution

The fourth proportional to 980,936.76, 1,471,171.86 and 270,949.08 is: 406,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,936.76 : 1,471,171.86 = 270,949.08 : x
  2. Step 2: Convert to fraction form
    980,936.76/1,471,171.86 = 270,949.08/x
  3. Step 3: Cross multiply
    980,936.76x = 1,471,171.86 × 270,949.08
  4. Step 4: Simplify right side
    980,936.76x = 398,612,661,988.89
  5. Step 5: Solve for x
    x = 398,612,661,988.89/980,936.76
  6. Step 6: Final answer
    x = 406,359.18

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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.