Home / 494,016.82-681,734.31-279,152.26

Finding the Fourth Proportional to 494,016.82, 681,734.31 and 279,152.26

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Solution

The fourth proportional to 494,016.82, 681,734.31 and 279,152.26 is: 385,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,016.82 : 681,734.31 = 279,152.26 : x
  2. Step 2: Convert to fraction form
    494,016.82/681,734.31 = 279,152.26/x
  3. Step 3: Cross multiply
    494,016.82x = 681,734.31 × 279,152.26
  4. Step 4: Simplify right side
    494,016.82x = 190,307,673,356.04
  5. Step 5: Solve for x
    x = 190,307,673,356.04/494,016.82
  6. Step 6: Final answer
    x = 385,225.09

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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.