Home / 742,879.28-1,114,761.62-269,601.54

Finding the Fourth Proportional to 742,879.28, 1,114,761.62 and 269,601.54

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Solution

The fourth proportional to 742,879.28, 1,114,761.62 and 269,601.54 is: 404,562.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,879.28 : 1,114,761.62 = 269,601.54 : x
  2. Step 2: Convert to fraction form
    742,879.28/1,114,761.62 = 269,601.54/x
  3. Step 3: Cross multiply
    742,879.28x = 1,114,761.62 × 269,601.54
  4. Step 4: Simplify right side
    742,879.28x = 300,541,449,484.90
  5. Step 5: Solve for x
    x = 300,541,449,484.90/742,879.28
  6. Step 6: Final answer
    x = 404,562.97

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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.