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Finding the Fourth Proportional to 396,944.78, 595,509.44 and 130,707.63

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Solution

The fourth proportional to 396,944.78, 595,509.44 and 130,707.63 is: 196,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,944.78 : 595,509.44 = 130,707.63 : x
  2. Step 2: Convert to fraction form
    396,944.78/595,509.44 = 130,707.63/x
  3. Step 3: Cross multiply
    396,944.78x = 595,509.44 × 130,707.63
  4. Step 4: Simplify right side
    396,944.78x = 77,837,626,891.49
  5. Step 5: Solve for x
    x = 77,837,626,891.49/396,944.78
  6. Step 6: Final answer
    x = 196,091.83

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1.5x scale

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.