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Finding the Fourth Proportional to 475,714.88, 656,481.12 and 274,506.56

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Solution

The fourth proportional to 475,714.88, 656,481.12 and 274,506.56 is: 378,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,714.88 : 656,481.12 = 274,506.56 : x
  2. Step 2: Convert to fraction form
    475,714.88/656,481.12 = 274,506.56/x
  3. Step 3: Cross multiply
    475,714.88x = 656,481.12 × 274,506.56
  4. Step 4: Simplify right side
    475,714.88x = 180,208,373,956.15
  5. Step 5: Solve for x
    x = 180,208,373,956.15/475,714.88
  6. Step 6: Final answer
    x = 378,815.93

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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.