Home / 515,845.05-773,414.61-262,635.54

Finding the Fourth Proportional to 515,845.05, 773,414.61 and 262,635.54

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Solution

The fourth proportional to 515,845.05, 773,414.61 and 262,635.54 is: 393,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,845.05 : 773,414.61 = 262,635.54 : x
  2. Step 2: Convert to fraction form
    515,845.05/773,414.61 = 262,635.54/x
  3. Step 3: Cross multiply
    515,845.05x = 773,414.61 × 262,635.54
  4. Step 4: Simplify right side
    515,845.05x = 203,126,159,874.17
  5. Step 5: Solve for x
    x = 203,126,159,874.17/515,845.05
  6. Step 6: Final answer
    x = 393,773.60

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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.