Home / 691,439.44-1,037,071.68-271,010.56

Finding the Fourth Proportional to 691,439.44, 1,037,071.68 and 271,010.56

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Solution

The fourth proportional to 691,439.44, 1,037,071.68 and 271,010.56 is: 406,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,439.44 : 1,037,071.68 = 271,010.56 : x
  2. Step 2: Convert to fraction form
    691,439.44/1,037,071.68 = 271,010.56/x
  3. Step 3: Cross multiply
    691,439.44x = 1,037,071.68 × 271,010.56
  4. Step 4: Simplify right side
    691,439.44x = 281,057,376,756.94
  5. Step 5: Solve for x
    x = 281,057,376,756.94/691,439.44
  6. Step 6: Final answer
    x = 406,481.55

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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.