Home / 396,214.86-593,796.54-215,837.55

Finding the Fourth Proportional to 396,214.86, 593,796.54 and 215,837.55

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Solution

The fourth proportional to 396,214.86, 593,796.54 and 215,837.55 is: 323,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,214.86 : 593,796.54 = 215,837.55 : x
  2. Step 2: Convert to fraction form
    396,214.86/593,796.54 = 215,837.55/x
  3. Step 3: Cross multiply
    396,214.86x = 593,796.54 × 215,837.55
  4. Step 4: Simplify right side
    396,214.86x = 128,163,590,392.08
  5. Step 5: Solve for x
    x = 128,163,590,392.08/396,214.86
  6. Step 6: Final answer
    x = 323,469.92

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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.