Home / 644,287.08-966,004.06-307,379.73

Finding the Fourth Proportional to 644,287.08, 966,004.06 and 307,379.73

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Solution

The fourth proportional to 644,287.08, 966,004.06 and 307,379.73 is: 460,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,287.08 : 966,004.06 = 307,379.73 : x
  2. Step 2: Convert to fraction form
    644,287.08/966,004.06 = 307,379.73/x
  3. Step 3: Cross multiply
    644,287.08x = 966,004.06 × 307,379.73
  4. Step 4: Simplify right side
    644,287.08x = 296,930,067,141.70
  5. Step 5: Solve for x
    x = 296,930,067,141.70/644,287.08
  6. Step 6: Final answer
    x = 460,866.09

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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.