Home / 644,204.43-966,109.80-307,067.46

Finding the Fourth Proportional to 644,204.43, 966,109.80 and 307,067.46

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Solution

The fourth proportional to 644,204.43, 966,109.80 and 307,067.46 is: 460,507.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,204.43 : 966,109.80 = 307,067.46 : x
  2. Step 2: Convert to fraction form
    644,204.43/966,109.80 = 307,067.46/x
  3. Step 3: Cross multiply
    644,204.43x = 966,109.80 × 307,067.46
  4. Step 4: Simplify right side
    644,204.43x = 296,660,882,367.11
  5. Step 5: Solve for x
    x = 296,660,882,367.11/644,204.43
  6. Step 6: Final answer
    x = 460,507.36

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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.