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Finding the Fourth Proportional to 658,280.44, 987,609.78 and 273,954.47

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Solution

The fourth proportional to 658,280.44, 987,609.78 and 273,954.47 is: 411,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,280.44 : 987,609.78 = 273,954.47 : x
  2. Step 2: Convert to fraction form
    658,280.44/987,609.78 = 273,954.47/x
  3. Step 3: Cross multiply
    658,280.44x = 987,609.78 × 273,954.47
  4. Step 4: Simplify right side
    658,280.44x = 270,560,113,846.72
  5. Step 5: Solve for x
    x = 270,560,113,846.72/658,280.44
  6. Step 6: Final answer
    x = 411,010.41

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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.