Home / 715,992.03-987,823.13-443,962.04

Finding the Fourth Proportional to 715,992.03, 987,823.13 and 443,962.04

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Solution

The fourth proportional to 715,992.03, 987,823.13 and 443,962.04 is: 612,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,992.03 : 987,823.13 = 443,962.04 : x
  2. Step 2: Convert to fraction form
    715,992.03/987,823.13 = 443,962.04/x
  3. Step 3: Cross multiply
    715,992.03x = 987,823.13 × 443,962.04
  4. Step 4: Simplify right side
    715,992.03x = 438,555,964,795.06
  5. Step 5: Solve for x
    x = 438,555,964,795.06/715,992.03
  6. Step 6: Final answer
    x = 612,515.15

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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.