Home / 866,439.79-1,299,677.51-267,401.32

Finding the Fourth Proportional to 866,439.79, 1,299,677.51 and 267,401.32

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Solution

The fourth proportional to 866,439.79, 1,299,677.51 and 267,401.32 is: 401,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,439.79 : 1,299,677.51 = 267,401.32 : x
  2. Step 2: Convert to fraction form
    866,439.79/1,299,677.51 = 267,401.32/x
  3. Step 3: Cross multiply
    866,439.79x = 1,299,677.51 × 267,401.32
  4. Step 4: Simplify right side
    866,439.79x = 347,535,481,748.31
  5. Step 5: Solve for x
    x = 347,535,481,748.31/866,439.79
  6. Step 6: Final answer
    x = 401,107.48

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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.