Home / 396,391.52-594,678.06-171,789.62

Finding the Fourth Proportional to 396,391.52, 594,678.06 and 171,789.62

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Solution

The fourth proportional to 396,391.52, 594,678.06 and 171,789.62 is: 257,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,391.52 : 594,678.06 = 171,789.62 : x
  2. Step 2: Convert to fraction form
    396,391.52/594,678.06 = 171,789.62/x
  3. Step 3: Cross multiply
    396,391.52x = 594,678.06 × 171,789.62
  4. Step 4: Simplify right side
    396,391.52x = 102,159,517,949.74
  5. Step 5: Solve for x
    x = 102,159,517,949.74/396,391.52
  6. Step 6: Final answer
    x = 257,723.77

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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.