Home / 866,440.29-1,299,678.26-267,401.82

Finding the Fourth Proportional to 866,440.29, 1,299,678.26 and 267,401.82

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Solution

The fourth proportional to 866,440.29, 1,299,678.26 and 267,401.82 is: 401,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,440.29 : 1,299,678.26 = 267,401.82 : x
  2. Step 2: Convert to fraction form
    866,440.29/1,299,678.26 = 267,401.82/x
  3. Step 3: Cross multiply
    866,440.29x = 1,299,678.26 × 267,401.82
  4. Step 4: Simplify right side
    866,440.29x = 347,536,330,801.42
  5. Step 5: Solve for x
    x = 347,536,330,801.42/866,440.29
  6. Step 6: Final answer
    x = 401,108.23

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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.