Home / 866,458.31-1,299,812.01-267,470.75

Finding the Fourth Proportional to 866,458.31, 1,299,812.01 and 267,470.75

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Solution

The fourth proportional to 866,458.31, 1,299,812.01 and 267,470.75 is: 401,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,458.31 : 1,299,812.01 = 267,470.75 : x
  2. Step 2: Convert to fraction form
    866,458.31/1,299,812.01 = 267,470.75/x
  3. Step 3: Cross multiply
    866,458.31x = 1,299,812.01 × 267,470.75
  4. Step 4: Simplify right side
    866,458.31x = 347,661,691,836.35
  5. Step 5: Solve for x
    x = 347,661,691,836.35/866,458.31
  6. Step 6: Final answer
    x = 401,244.57

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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.