Home / 396,359.19-594,285.93-261,267.39

Finding the Fourth Proportional to 396,359.19, 594,285.93 and 261,267.39

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Solution

The fourth proportional to 396,359.19, 594,285.93 and 261,267.39 is: 391,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,359.19 : 594,285.93 = 261,267.39 : x
  2. Step 2: Convert to fraction form
    396,359.19/594,285.93 = 261,267.39/x
  3. Step 3: Cross multiply
    396,359.19x = 594,285.93 × 261,267.39
  4. Step 4: Simplify right side
    396,359.19x = 155,267,533,844.82
  5. Step 5: Solve for x
    x = 155,267,533,844.82/396,359.19
  6. Step 6: Final answer
    x = 391,734.41

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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.