Home / 856,691.24-1,182,213.78-494,115.80

Finding the Fourth Proportional to 856,691.24, 1,182,213.78 and 494,115.80

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Solution

The fourth proportional to 856,691.24, 1,182,213.78 and 494,115.80 is: 681,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,691.24 : 1,182,213.78 = 494,115.80 : x
  2. Step 2: Convert to fraction form
    856,691.24/1,182,213.78 = 494,115.80/x
  3. Step 3: Cross multiply
    856,691.24x = 1,182,213.78 × 494,115.80
  4. Step 4: Simplify right side
    856,691.24x = 584,150,507,675.72
  5. Step 5: Solve for x
    x = 584,150,507,675.72/856,691.24
  6. Step 6: Final answer
    x = 681,868.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.