Home / 681,008.56-939,791.28-375,087.04

Finding the Fourth Proportional to 681,008.56, 939,791.28 and 375,087.04

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Solution

The fourth proportional to 681,008.56, 939,791.28 and 375,087.04 is: 517,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,008.56 : 939,791.28 = 375,087.04 : x
  2. Step 2: Convert to fraction form
    681,008.56/939,791.28 = 375,087.04/x
  3. Step 3: Cross multiply
    681,008.56x = 939,791.28 × 375,087.04
  4. Step 4: Simplify right side
    681,008.56x = 352,503,529,433.01
  5. Step 5: Solve for x
    x = 352,503,529,433.01/681,008.56
  6. Step 6: Final answer
    x = 517,619.82

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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.