Home / 494,772.12-682,772.04-274,001.76

Finding the Fourth Proportional to 494,772.12, 682,772.04 and 274,001.76

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Solution

The fourth proportional to 494,772.12, 682,772.04 and 274,001.76 is: 378,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,772.12 : 682,772.04 = 274,001.76 : x
  2. Step 2: Convert to fraction form
    494,772.12/682,772.04 = 274,001.76/x
  3. Step 3: Cross multiply
    494,772.12x = 682,772.04 × 274,001.76
  4. Step 4: Simplify right side
    494,772.12x = 187,080,740,638.79
  5. Step 5: Solve for x
    x = 187,080,740,638.79/494,772.12
  6. Step 6: Final answer
    x = 378,114.96

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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.