Home / 336,654.72-464,856.48-321,433.20

Finding the Fourth Proportional to 336,654.72, 464,856.48 and 321,433.20

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Solution

The fourth proportional to 336,654.72, 464,856.48 and 321,433.20 is: 443,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,654.72 : 464,856.48 = 321,433.20 : x
  2. Step 2: Convert to fraction form
    336,654.72/464,856.48 = 321,433.20/x
  3. Step 3: Cross multiply
    336,654.72x = 464,856.48 × 321,433.20
  4. Step 4: Simplify right side
    336,654.72x = 149,420,305,907.14
  5. Step 5: Solve for x
    x = 149,420,305,907.14/336,654.72
  6. Step 6: Final answer
    x = 443,838.44

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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.