Home / 807,726.20-1,211,589.30-246,687.80

Finding the Fourth Proportional to 807,726.20, 1,211,589.30 and 246,687.80

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Solution

The fourth proportional to 807,726.20, 1,211,589.30 and 246,687.80 is: 370,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,726.20 : 1,211,589.30 = 246,687.80 : x
  2. Step 2: Convert to fraction form
    807,726.20/1,211,589.30 = 246,687.80/x
  3. Step 3: Cross multiply
    807,726.20x = 1,211,589.30 × 246,687.80
  4. Step 4: Simplify right side
    807,726.20x = 298,884,298,920.54
  5. Step 5: Solve for x
    x = 298,884,298,920.54/807,726.20
  6. Step 6: Final answer
    x = 370,031.70

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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.