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Finding the Fourth Proportional to 866,287.12, 1,299,552.81 and 267,296.98

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Solution

The fourth proportional to 866,287.12, 1,299,552.81 and 267,296.98 is: 400,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,287.12 : 1,299,552.81 = 267,296.98 : x
  2. Step 2: Convert to fraction form
    866,287.12/1,299,552.81 = 267,296.98/x
  3. Step 3: Cross multiply
    866,287.12x = 1,299,552.81 × 267,296.98
  4. Step 4: Simplify right side
    866,287.12x = 347,366,541,463.51
  5. Step 5: Solve for x
    x = 347,366,541,463.51/866,287.12
  6. Step 6: Final answer
    x = 400,983.15

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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.