Home / 800,378.24-1,200,569.38-327,063.65

Finding the Fourth Proportional to 800,378.24, 1,200,569.38 and 327,063.65

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Solution

The fourth proportional to 800,378.24, 1,200,569.38 and 327,063.65 is: 490,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,378.24 : 1,200,569.38 = 327,063.65 : x
  2. Step 2: Convert to fraction form
    800,378.24/1,200,569.38 = 327,063.65/x
  3. Step 3: Cross multiply
    800,378.24x = 1,200,569.38 × 327,063.65
  4. Step 4: Simplify right side
    800,378.24x = 392,662,596,680.53
  5. Step 5: Solve for x
    x = 392,662,596,680.53/800,378.24
  6. Step 6: Final answer
    x = 490,596.29

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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.