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Finding the Fourth Proportional to 396,856.38, 594,662.49 and 337,447.74

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Solution

The fourth proportional to 396,856.38, 594,662.49 and 337,447.74 is: 505,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,856.38 : 594,662.49 = 337,447.74 : x
  2. Step 2: Convert to fraction form
    396,856.38/594,662.49 = 337,447.74/x
  3. Step 3: Cross multiply
    396,856.38x = 594,662.49 × 337,447.74
  4. Step 4: Simplify right side
    396,856.38x = 200,667,513,313.27
  5. Step 5: Solve for x
    x = 200,667,513,313.27/396,856.38
  6. Step 6: Final answer
    x = 505,642.65

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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.