Home / 396,778.37-594,969.30-126,871.38

Finding the Fourth Proportional to 396,778.37, 594,969.30 and 126,871.38

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Solution

The fourth proportional to 396,778.37, 594,969.30 and 126,871.38 is: 190,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,778.37 : 594,969.30 = 126,871.38 : x
  2. Step 2: Convert to fraction form
    396,778.37/594,969.30 = 126,871.38/x
  3. Step 3: Cross multiply
    396,778.37x = 594,969.30 × 126,871.38
  4. Step 4: Simplify right side
    396,778.37x = 75,484,576,148.63
  5. Step 5: Solve for x
    x = 75,484,576,148.63/396,778.37
  6. Step 6: Final answer
    x = 190,243.68

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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.