Home / 496,118.31-743,321.57-271,640.31

Finding the Fourth Proportional to 496,118.31, 743,321.57 and 271,640.31

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Solution

The fourth proportional to 496,118.31, 743,321.57 and 271,640.31 is: 406,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,118.31 : 743,321.57 = 271,640.31 : x
  2. Step 2: Convert to fraction form
    496,118.31/743,321.57 = 271,640.31/x
  3. Step 3: Cross multiply
    496,118.31x = 743,321.57 × 271,640.31
  4. Step 4: Simplify right side
    496,118.31x = 201,916,100,346.29
  5. Step 5: Solve for x
    x = 201,916,100,346.29/496,118.31
  6. Step 6: Final answer
    x = 406,991.83

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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.