Home / 644,913.75-967,508.24-218,434.65

Finding the Fourth Proportional to 644,913.75, 967,508.24 and 218,434.65

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Solution

The fourth proportional to 644,913.75, 967,508.24 and 218,434.65 is: 327,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,913.75 : 967,508.24 = 218,434.65 : x
  2. Step 2: Convert to fraction form
    644,913.75/967,508.24 = 218,434.65/x
  3. Step 3: Cross multiply
    644,913.75x = 967,508.24 × 218,434.65
  4. Step 4: Simplify right side
    644,913.75x = 211,337,323,776.52
  5. Step 5: Solve for x
    x = 211,337,323,776.52/644,913.75
  6. Step 6: Final answer
    x = 327,698.59

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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.