Home / 681,839.33-940,894.91-375,898.98

Finding the Fourth Proportional to 681,839.33, 940,894.91 and 375,898.98

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Solution

The fourth proportional to 681,839.33, 940,894.91 and 375,898.98 is: 518,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,839.33 : 940,894.91 = 375,898.98 : x
  2. Step 2: Convert to fraction form
    681,839.33/940,894.91 = 375,898.98/x
  3. Step 3: Cross multiply
    681,839.33x = 940,894.91 × 375,898.98
  4. Step 4: Simplify right side
    681,839.33x = 353,681,435,076.70
  5. Step 5: Solve for x
    x = 353,681,435,076.70/681,839.33
  6. Step 6: Final answer
    x = 518,716.69

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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.