Home / 396,536.46-547,433.55-305,693.34

Finding the Fourth Proportional to 396,536.46, 547,433.55 and 305,693.34

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Solution

The fourth proportional to 396,536.46, 547,433.55 and 305,693.34 is: 422,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,536.46 : 547,433.55 = 305,693.34 : x
  2. Step 2: Convert to fraction form
    396,536.46/547,433.55 = 305,693.34/x
  3. Step 3: Cross multiply
    396,536.46x = 547,433.55 × 305,693.34
  4. Step 4: Simplify right side
    396,536.46x = 167,346,790,327.56
  5. Step 5: Solve for x
    x = 167,346,790,327.56/396,536.46
  6. Step 6: Final answer
    x = 422,021.19

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1.5x scale

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.