Home / 384,418.20-576,627.30-343,083.90

Finding the Fourth Proportional to 384,418.20, 576,627.30 and 343,083.90

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Solution

The fourth proportional to 384,418.20, 576,627.30 and 343,083.90 is: 514,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,418.20 : 576,627.30 = 343,083.90 : x
  2. Step 2: Convert to fraction form
    384,418.20/576,627.30 = 343,083.90/x
  3. Step 3: Cross multiply
    384,418.20x = 576,627.30 × 343,083.90
  4. Step 4: Simplify right side
    384,418.20x = 197,831,542,930.47
  5. Step 5: Solve for x
    x = 197,831,542,930.47/384,418.20
  6. Step 6: Final answer
    x = 514,625.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.