Home / 644,358.04-966,540.82-217,896.92

Finding the Fourth Proportional to 644,358.04, 966,540.82 and 217,896.92

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Solution

The fourth proportional to 644,358.04, 966,540.82 and 217,896.92 is: 326,846.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,358.04 : 966,540.82 = 217,896.92 : x
  2. Step 2: Convert to fraction form
    644,358.04/966,540.82 = 217,896.92/x
  3. Step 3: Cross multiply
    644,358.04x = 966,540.82 × 217,896.92
  4. Step 4: Simplify right side
    644,358.04x = 210,606,267,732.27
  5. Step 5: Solve for x
    x = 210,606,267,732.27/644,358.04
  6. Step 6: Final answer
    x = 326,846.65

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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.