Home / 526,621.29-726,824.31-322,785.60

Finding the Fourth Proportional to 526,621.29, 726,824.31 and 322,785.60

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Solution

The fourth proportional to 526,621.29, 726,824.31 and 322,785.60 is: 445,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,621.29 : 726,824.31 = 322,785.60 : x
  2. Step 2: Convert to fraction form
    526,621.29/726,824.31 = 322,785.60/x
  3. Step 3: Cross multiply
    526,621.29x = 726,824.31 × 322,785.60
  4. Step 4: Simplify right side
    526,621.29x = 234,608,420,997.94
  5. Step 5: Solve for x
    x = 234,608,420,997.94/526,621.29
  6. Step 6: Final answer
    x = 445,497.41

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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.