Home / 866,403.82-1,299,778.98-267,342.46

Finding the Fourth Proportional to 866,403.82, 1,299,778.98 and 267,342.46

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Solution

The fourth proportional to 866,403.82, 1,299,778.98 and 267,342.46 is: 401,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,403.82 : 1,299,778.98 = 267,342.46 : x
  2. Step 2: Convert to fraction form
    866,403.82/1,299,778.98 = 267,342.46/x
  3. Step 3: Cross multiply
    866,403.82x = 1,299,778.98 × 267,342.46
  4. Step 4: Simplify right side
    866,403.82x = 347,486,109,969.49
  5. Step 5: Solve for x
    x = 347,486,109,969.49/866,403.82
  6. Step 6: Final answer
    x = 401,067.15

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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.