Home / 481,819.50-722,773.80-126,835.38

Finding the Fourth Proportional to 481,819.50, 722,773.80 and 126,835.38

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Solution

The fourth proportional to 481,819.50, 722,773.80 and 126,835.38 is: 190,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,819.50 : 722,773.80 = 126,835.38 : x
  2. Step 2: Convert to fraction form
    481,819.50/722,773.80 = 126,835.38/x
  3. Step 3: Cross multiply
    481,819.50x = 722,773.80 × 126,835.38
  4. Step 4: Simplify right side
    481,819.50x = 91,673,289,577.04
  5. Step 5: Solve for x
    x = 91,673,289,577.04/481,819.50
  6. Step 6: Final answer
    x = 190,264.80

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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.