Home / 861,849.36-1,292,862.33-329,817.87

Finding the Fourth Proportional to 861,849.36, 1,292,862.33 and 329,817.87

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Solution

The fourth proportional to 861,849.36, 1,292,862.33 and 329,817.87 is: 494,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,849.36 : 1,292,862.33 = 329,817.87 : x
  2. Step 2: Convert to fraction form
    861,849.36/1,292,862.33 = 329,817.87/x
  3. Step 3: Cross multiply
    861,849.36x = 1,292,862.33 × 329,817.87
  4. Step 4: Simplify right side
    861,849.36x = 426,409,098,234.75
  5. Step 5: Solve for x
    x = 426,409,098,234.75/861,849.36
  6. Step 6: Final answer
    x = 494,760.59

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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.