Home / 980,984.97-1,471,462.86-270,997.29

Finding the Fourth Proportional to 980,984.97, 1,471,462.86 and 270,997.29

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Solution

The fourth proportional to 980,984.97, 1,471,462.86 and 270,997.29 is: 406,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,984.97 : 1,471,462.86 = 270,997.29 : x
  2. Step 2: Convert to fraction form
    980,984.97/1,471,462.86 = 270,997.29/x
  3. Step 3: Cross multiply
    980,984.97x = 1,471,462.86 × 270,997.29
  4. Step 4: Simplify right side
    980,984.97x = 398,762,447,395.65
  5. Step 5: Solve for x
    x = 398,762,447,395.65/980,984.97
  6. Step 6: Final answer
    x = 406,491.90

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Double scale
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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.