Home / 809,540.91-1,214,099.65-240,768.83

Finding the Fourth Proportional to 809,540.91, 1,214,099.65 and 240,768.83

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Solution

The fourth proportional to 809,540.91, 1,214,099.65 and 240,768.83 is: 361,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,540.91 : 1,214,099.65 = 240,768.83 : x
  2. Step 2: Convert to fraction form
    809,540.91/1,214,099.65 = 240,768.83/x
  3. Step 3: Cross multiply
    809,540.91x = 1,214,099.65 × 240,768.83
  4. Step 4: Simplify right side
    809,540.91x = 292,317,352,233.91
  5. Step 5: Solve for x
    x = 292,317,352,233.91/809,540.91
  6. Step 6: Final answer
    x = 361,090.28

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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.