Home / 927,340.57-1,391,105.25-320,049.85

Finding the Fourth Proportional to 927,340.57, 1,391,105.25 and 320,049.85

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Solution

The fourth proportional to 927,340.57, 1,391,105.25 and 320,049.85 is: 480,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,340.57 : 1,391,105.25 = 320,049.85 : x
  2. Step 2: Convert to fraction form
    927,340.57/1,391,105.25 = 320,049.85/x
  3. Step 3: Cross multiply
    927,340.57x = 1,391,105.25 × 320,049.85
  4. Step 4: Simplify right side
    927,340.57x = 445,223,026,596.71
  5. Step 5: Solve for x
    x = 445,223,026,596.71/927,340.57
  6. Step 6: Final answer
    x = 480,107.35

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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.