Home / 809,230.38-1,213,710.66-296,789.52

Finding the Fourth Proportional to 809,230.38, 1,213,710.66 and 296,789.52

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Solution

The fourth proportional to 809,230.38, 1,213,710.66 and 296,789.52 is: 445,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,230.38 : 1,213,710.66 = 296,789.52 : x
  2. Step 2: Convert to fraction form
    809,230.38/1,213,710.66 = 296,789.52/x
  3. Step 3: Cross multiply
    809,230.38x = 1,213,710.66 × 296,789.52
  4. Step 4: Simplify right side
    809,230.38x = 360,216,604,200.28
  5. Step 5: Solve for x
    x = 360,216,604,200.28/809,230.38
  6. Step 6: Final answer
    x = 445,134.80

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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.