Home / 747,609.80-1,121,430.59-267,868.85

Finding the Fourth Proportional to 747,609.80, 1,121,430.59 and 267,868.85

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Solution

The fourth proportional to 747,609.80, 1,121,430.59 and 267,868.85 is: 401,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,609.80 : 1,121,430.59 = 267,868.85 : x
  2. Step 2: Convert to fraction form
    747,609.80/1,121,430.59 = 267,868.85/x
  3. Step 3: Cross multiply
    747,609.80x = 1,121,430.59 × 267,868.85
  4. Step 4: Simplify right side
    747,609.80x = 300,396,321,158.78
  5. Step 5: Solve for x
    x = 300,396,321,158.78/747,609.80
  6. Step 6: Final answer
    x = 401,808.97

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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.