Home / 866,399.82-1,299,772.98-267,338.46

Finding the Fourth Proportional to 866,399.82, 1,299,772.98 and 267,338.46

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Solution

The fourth proportional to 866,399.82, 1,299,772.98 and 267,338.46 is: 401,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,399.82 : 1,299,772.98 = 267,338.46 : x
  2. Step 2: Convert to fraction form
    866,399.82/1,299,772.98 = 267,338.46/x
  3. Step 3: Cross multiply
    866,399.82x = 1,299,772.98 × 267,338.46
  4. Step 4: Simplify right side
    866,399.82x = 347,479,306,822.81
  5. Step 5: Solve for x
    x = 347,479,306,822.81/866,399.82
  6. Step 6: Final answer
    x = 401,061.15

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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.