Home / 526,112.64-726,079.92-322,162.56

Finding the Fourth Proportional to 526,112.64, 726,079.92 and 322,162.56

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Solution

The fourth proportional to 526,112.64, 726,079.92 and 322,162.56 is: 444,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,112.64 : 726,079.92 = 322,162.56 : x
  2. Step 2: Convert to fraction form
    526,112.64/726,079.92 = 322,162.56/x
  3. Step 3: Cross multiply
    526,112.64x = 726,079.92 × 322,162.56
  4. Step 4: Simplify right side
    526,112.64x = 233,915,765,791.80
  5. Step 5: Solve for x
    x = 233,915,765,791.80/526,112.64
  6. Step 6: Final answer
    x = 444,611.57

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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.