Home / 805,422.47-1,207,843.07-236,651.43

Finding the Fourth Proportional to 805,422.47, 1,207,843.07 and 236,651.43

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Solution

The fourth proportional to 805,422.47, 1,207,843.07 and 236,651.43 is: 354,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,422.47 : 1,207,843.07 = 236,651.43 : x
  2. Step 2: Convert to fraction form
    805,422.47/1,207,843.07 = 236,651.43/x
  3. Step 3: Cross multiply
    805,422.47x = 1,207,843.07 × 236,651.43
  4. Step 4: Simplify right side
    805,422.47x = 285,837,783,601.90
  5. Step 5: Solve for x
    x = 285,837,783,601.90/805,422.47
  6. Step 6: Final answer
    x = 354,891.74

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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.