Home / 681,045.24-939,884.88-375,121.56

Finding the Fourth Proportional to 681,045.24, 939,884.88 and 375,121.56

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Solution

The fourth proportional to 681,045.24, 939,884.88 and 375,121.56 is: 517,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,045.24 : 939,884.88 = 375,121.56 : x
  2. Step 2: Convert to fraction form
    681,045.24/939,884.88 = 375,121.56/x
  3. Step 3: Cross multiply
    681,045.24x = 939,884.88 × 375,121.56
  4. Step 4: Simplify right side
    681,045.24x = 352,571,082,406.01
  5. Step 5: Solve for x
    x = 352,571,082,406.01/681,045.24
  6. Step 6: Final answer
    x = 517,691.13

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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.