Home / 681,540.60-940,522.94-375,616.31

Finding the Fourth Proportional to 681,540.60, 940,522.94 and 375,616.31

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Solution

The fourth proportional to 681,540.60, 940,522.94 and 375,616.31 is: 518,348.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,540.60 : 940,522.94 = 375,616.31 : x
  2. Step 2: Convert to fraction form
    681,540.60/940,522.94 = 375,616.31/x
  3. Step 3: Cross multiply
    681,540.60x = 940,522.94 × 375,616.31
  4. Step 4: Simplify right side
    681,540.60x = 353,275,754,315.07
  5. Step 5: Solve for x
    x = 353,275,754,315.07/681,540.60
  6. Step 6: Final answer
    x = 518,348.81

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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.