Home / 866,538.48-1,299,687.48-267,519.36

Finding the Fourth Proportional to 866,538.48, 1,299,687.48 and 267,519.36

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Solution

The fourth proportional to 866,538.48, 1,299,687.48 and 267,519.36 is: 401,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,538.48 : 1,299,687.48 = 267,519.36 : x
  2. Step 2: Convert to fraction form
    866,538.48/1,299,687.48 = 267,519.36/x
  3. Step 3: Cross multiply
    866,538.48x = 1,299,687.48 × 267,519.36
  4. Step 4: Simplify right side
    866,538.48x = 347,691,562,849.61
  5. Step 5: Solve for x
    x = 347,691,562,849.61/866,538.48
  6. Step 6: Final answer
    x = 401,241.92

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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.