Home / 807,863.20-1,211,794.80-275,207.20

Finding the Fourth Proportional to 807,863.20, 1,211,794.80 and 275,207.20

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Solution

The fourth proportional to 807,863.20, 1,211,794.80 and 275,207.20 is: 412,810.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,863.20 : 1,211,794.80 = 275,207.20 : x
  2. Step 2: Convert to fraction form
    807,863.20/1,211,794.80 = 275,207.20/x
  3. Step 3: Cross multiply
    807,863.20x = 1,211,794.80 × 275,207.20
  4. Step 4: Simplify right side
    807,863.20x = 333,494,653,882.56
  5. Step 5: Solve for x
    x = 333,494,653,882.56/807,863.20
  6. Step 6: Final answer
    x = 412,810.80

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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.