Home / 715,993.03-987,824.50-443,963.04

Finding the Fourth Proportional to 715,993.03, 987,824.50 and 443,963.04

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Solution

The fourth proportional to 715,993.03, 987,824.50 and 443,963.04 is: 612,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,993.03 : 987,824.50 = 443,963.04 : x
  2. Step 2: Convert to fraction form
    715,993.03/987,824.50 = 443,963.04/x
  3. Step 3: Cross multiply
    715,993.03x = 987,824.50 × 443,963.04
  4. Step 4: Simplify right side
    715,993.03x = 438,557,568,006.48
  5. Step 5: Solve for x
    x = 438,557,568,006.48/715,993.03
  6. Step 6: Final answer
    x = 612,516.53

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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.