Home / 866,441.29-1,299,679.76-267,402.82

Finding the Fourth Proportional to 866,441.29, 1,299,679.76 and 267,402.82

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Solution

The fourth proportional to 866,441.29, 1,299,679.76 and 267,402.82 is: 401,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,441.29 : 1,299,679.76 = 267,402.82 : x
  2. Step 2: Convert to fraction form
    866,441.29/1,299,679.76 = 267,402.82/x
  3. Step 3: Cross multiply
    866,441.29x = 1,299,679.76 × 267,402.82
  4. Step 4: Simplify right side
    866,441.29x = 347,538,032,920.92
  5. Step 5: Solve for x
    x = 347,538,032,920.92/866,441.29
  6. Step 6: Final answer
    x = 401,109.73

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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.