Home / 483,845.83-667,730.03-268,989.48

Finding the Fourth Proportional to 483,845.83, 667,730.03 and 268,989.48

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Solution

The fourth proportional to 483,845.83, 667,730.03 and 268,989.48 is: 371,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,845.83 : 667,730.03 = 268,989.48 : x
  2. Step 2: Convert to fraction form
    483,845.83/667,730.03 = 268,989.48/x
  3. Step 3: Cross multiply
    483,845.83x = 667,730.03 × 268,989.48
  4. Step 4: Simplify right side
    483,845.83x = 179,612,352,205.14
  5. Step 5: Solve for x
    x = 179,612,352,205.14/483,845.83
  6. Step 6: Final answer
    x = 371,218.15

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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.