Home / 850,251.30-1,275,340.05-317,776.92

Finding the Fourth Proportional to 850,251.30, 1,275,340.05 and 317,776.92

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Solution

The fourth proportional to 850,251.30, 1,275,340.05 and 317,776.92 is: 476,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,251.30 : 1,275,340.05 = 317,776.92 : x
  2. Step 2: Convert to fraction form
    850,251.30/1,275,340.05 = 317,776.92/x
  3. Step 3: Cross multiply
    850,251.30x = 1,275,340.05 × 317,776.92
  4. Step 4: Simplify right side
    850,251.30x = 405,273,633,041.65
  5. Step 5: Solve for x
    x = 405,273,633,041.65/850,251.30
  6. Step 6: Final answer
    x = 476,651.59

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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.