Home / 395,408.28-591,733.98-323,499.72

Finding the Fourth Proportional to 395,408.28, 591,733.98 and 323,499.72

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Solution

The fourth proportional to 395,408.28, 591,733.98 and 323,499.72 is: 484,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,408.28 : 591,733.98 = 323,499.72 : x
  2. Step 2: Convert to fraction form
    395,408.28/591,733.98 = 323,499.72/x
  3. Step 3: Cross multiply
    395,408.28x = 591,733.98 × 323,499.72
  4. Step 4: Simplify right side
    395,408.28x = 191,425,776,844.49
  5. Step 5: Solve for x
    x = 191,425,776,844.49/395,408.28
  6. Step 6: Final answer
    x = 484,121.82

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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.