Home / 758,129.20-1,137,115.73-252,635.54

Finding the Fourth Proportional to 758,129.20, 1,137,115.73 and 252,635.54

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Solution

The fourth proportional to 758,129.20, 1,137,115.73 and 252,635.54 is: 378,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,129.20 : 1,137,115.73 = 252,635.54 : x
  2. Step 2: Convert to fraction form
    758,129.20/1,137,115.73 = 252,635.54/x
  3. Step 3: Cross multiply
    758,129.20x = 1,137,115.73 × 252,635.54
  4. Step 4: Simplify right side
    758,129.20x = 287,275,841,437.05
  5. Step 5: Solve for x
    x = 287,275,841,437.05/758,129.20
  6. Step 6: Final answer
    x = 378,927.29

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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.