Home / 488,935.85-674,759.84-274,145.04

Finding the Fourth Proportional to 488,935.85, 674,759.84 and 274,145.04

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Solution

The fourth proportional to 488,935.85, 674,759.84 and 274,145.04 is: 378,336.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,935.85 : 674,759.84 = 274,145.04 : x
  2. Step 2: Convert to fraction form
    488,935.85/674,759.84 = 274,145.04/x
  3. Step 3: Cross multiply
    488,935.85x = 674,759.84 × 274,145.04
  4. Step 4: Simplify right side
    488,935.85x = 184,982,061,956.47
  5. Step 5: Solve for x
    x = 184,982,061,956.47/488,935.85
  6. Step 6: Final answer
    x = 378,336.06

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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.