Home / 747,620.26-1,121,446.31-267,879.40

Finding the Fourth Proportional to 747,620.26, 1,121,446.31 and 267,879.40

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Solution

The fourth proportional to 747,620.26, 1,121,446.31 and 267,879.40 is: 401,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,620.26 : 1,121,446.31 = 267,879.40 : x
  2. Step 2: Convert to fraction form
    747,620.26/1,121,446.31 = 267,879.40/x
  3. Step 3: Cross multiply
    747,620.26x = 1,121,446.31 × 267,879.40
  4. Step 4: Simplify right side
    747,620.26x = 300,412,364,655.01
  5. Step 5: Solve for x
    x = 300,412,364,655.01/747,620.26
  6. Step 6: Final answer
    x = 401,824.80

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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.