Home / 668,940.08-1,002,883.08-331,755.44

Finding the Fourth Proportional to 668,940.08, 1,002,883.08 and 331,755.44

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Solution

The fourth proportional to 668,940.08, 1,002,883.08 and 331,755.44 is: 497,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,940.08 : 1,002,883.08 = 331,755.44 : x
  2. Step 2: Convert to fraction form
    668,940.08/1,002,883.08 = 331,755.44/x
  3. Step 3: Cross multiply
    668,940.08x = 1,002,883.08 × 331,755.44
  4. Step 4: Simplify right side
    668,940.08x = 332,711,917,473.96
  5. Step 5: Solve for x
    x = 332,711,917,473.96/668,940.08
  6. Step 6: Final answer
    x = 497,371.78

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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.