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Finding the Fourth Proportional to 489,254.86, 733,174 and 337,295.96

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Solution

The fourth proportional to 489,254.86, 733,174 and 337,295.96 is: 505,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,254.86 : 733,174 = 337,295.96 : x
  2. Step 2: Convert to fraction form
    489,254.86/733,174 = 337,295.96/x
  3. Step 3: Cross multiply
    489,254.86x = 733,174 × 337,295.96
  4. Step 4: Simplify right side
    489,254.86x = 247,296,628,177.04
  5. Step 5: Solve for x
    x = 247,296,628,177.04/489,254.86
  6. Step 6: Final answer
    x = 505,455.64

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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.