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Finding the Fourth Proportional to 489,254.11, 733,172.89 and 337,295.21

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Solution

The fourth proportional to 489,254.11, 733,172.89 and 337,295.21 is: 505,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,254.11 : 733,172.89 = 337,295.21 : x
  2. Step 2: Convert to fraction form
    489,254.11/733,172.89 = 337,295.21/x
  3. Step 3: Cross multiply
    489,254.11x = 733,172.89 × 337,295.21
  4. Step 4: Simplify right side
    489,254.11x = 247,295,702,212.38
  5. Step 5: Solve for x
    x = 247,295,702,212.38/489,254.11
  6. Step 6: Final answer
    x = 505,454.52

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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.