Home / 855,986.62-1,284,229.92-382,561.27

Finding the Fourth Proportional to 855,986.62, 1,284,229.92 and 382,561.27

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Solution

The fourth proportional to 855,986.62, 1,284,229.92 and 382,561.27 is: 573,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,986.62 : 1,284,229.92 = 382,561.27 : x
  2. Step 2: Convert to fraction form
    855,986.62/1,284,229.92 = 382,561.27/x
  3. Step 3: Cross multiply
    855,986.62x = 1,284,229.92 × 382,561.27
  4. Step 4: Simplify right side
    855,986.62x = 491,296,629,167.20
  5. Step 5: Solve for x
    x = 491,296,629,167.20/855,986.62
  6. Step 6: Final answer
    x = 573,953.63

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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.