Home / 727,721.22-1,090,375.05-442,549.14

Finding the Fourth Proportional to 727,721.22, 1,090,375.05 and 442,549.14

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Solution

The fourth proportional to 727,721.22, 1,090,375.05 and 442,549.14 is: 663,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,721.22 : 1,090,375.05 = 442,549.14 : x
  2. Step 2: Convert to fraction form
    727,721.22/1,090,375.05 = 442,549.14/x
  3. Step 3: Cross multiply
    727,721.22x = 1,090,375.05 × 442,549.14
  4. Step 4: Simplify right side
    727,721.22x = 482,544,540,654.96
  5. Step 5: Solve for x
    x = 482,544,540,654.96/727,721.22
  6. Step 6: Final answer
    x = 663,089.83

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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.