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Finding the Fourth Proportional to 603,761.08, 833,194.78 and 331,833.60

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Solution

The fourth proportional to 603,761.08, 833,194.78 and 331,833.60 is: 457,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,761.08 : 833,194.78 = 331,833.60 : x
  2. Step 2: Convert to fraction form
    603,761.08/833,194.78 = 331,833.60/x
  3. Step 3: Cross multiply
    603,761.08x = 833,194.78 × 331,833.60
  4. Step 4: Simplify right side
    603,761.08x = 276,482,023,348.61
  5. Step 5: Solve for x
    x = 276,482,023,348.61/603,761.08
  6. Step 6: Final answer
    x = 457,932.84

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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.