Home / 747,672.39-1,121,231.57-267,825.45

Finding the Fourth Proportional to 747,672.39, 1,121,231.57 and 267,825.45

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Solution

The fourth proportional to 747,672.39, 1,121,231.57 and 267,825.45 is: 401,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,672.39 : 1,121,231.57 = 267,825.45 : x
  2. Step 2: Convert to fraction form
    747,672.39/1,121,231.57 = 267,825.45/x
  3. Step 3: Cross multiply
    747,672.39x = 1,121,231.57 × 267,825.45
  4. Step 4: Simplify right side
    747,672.39x = 300,294,348,450.33
  5. Step 5: Solve for x
    x = 300,294,348,450.33/747,672.39
  6. Step 6: Final answer
    x = 401,638.94

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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.