Home / 850,614.85-1,275,879.87-318,096.73

Finding the Fourth Proportional to 850,614.85, 1,275,879.87 and 318,096.73

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Solution

The fourth proportional to 850,614.85, 1,275,879.87 and 318,096.73 is: 477,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,614.85 : 1,275,879.87 = 318,096.73 : x
  2. Step 2: Convert to fraction form
    850,614.85/1,275,879.87 = 318,096.73/x
  3. Step 3: Cross multiply
    850,614.85x = 1,275,879.87 × 318,096.73
  4. Step 4: Simplify right side
    850,614.85x = 405,853,214,519.83
  5. Step 5: Solve for x
    x = 405,853,214,519.83/850,614.85
  6. Step 6: Final answer
    x = 477,129.24

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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.