Home / 808,117.26-1,115,251.92-445,540.43

Finding the Fourth Proportional to 808,117.26, 1,115,251.92 and 445,540.43

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Solution

The fourth proportional to 808,117.26, 1,115,251.92 and 445,540.43 is: 614,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,117.26 : 1,115,251.92 = 445,540.43 : x
  2. Step 2: Convert to fraction form
    808,117.26/1,115,251.92 = 445,540.43/x
  3. Step 3: Cross multiply
    808,117.26x = 1,115,251.92 × 445,540.43
  4. Step 4: Simplify right side
    808,117.26x = 496,889,814,418.87
  5. Step 5: Solve for x
    x = 496,889,814,418.87/808,117.26
  6. Step 6: Final answer
    x = 614,873.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.