Home / 980,839.23-1,471,286.44-270,867.26

Finding the Fourth Proportional to 980,839.23, 1,471,286.44 and 270,867.26

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Solution

The fourth proportional to 980,839.23, 1,471,286.44 and 270,867.26 is: 406,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,839.23 : 1,471,286.44 = 270,867.26 : x
  2. Step 2: Convert to fraction form
    980,839.23/1,471,286.44 = 270,867.26/x
  3. Step 3: Cross multiply
    980,839.23x = 1,471,286.44 × 270,867.26
  4. Step 4: Simplify right side
    980,839.23x = 398,523,326,677.95
  5. Step 5: Solve for x
    x = 398,523,326,677.95/980,839.23
  6. Step 6: Final answer
    x = 406,308.51

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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.