Home / 644,540.34-966,829.68-307,616.52

Finding the Fourth Proportional to 644,540.34, 966,829.68 and 307,616.52

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Solution

The fourth proportional to 644,540.34, 966,829.68 and 307,616.52 is: 461,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,540.34 : 966,829.68 = 307,616.52 : x
  2. Step 2: Convert to fraction form
    644,540.34/966,829.68 = 307,616.52/x
  3. Step 3: Cross multiply
    644,540.34x = 966,829.68 × 307,616.52
  4. Step 4: Simplify right side
    644,540.34x = 297,412,781,594.31
  5. Step 5: Solve for x
    x = 297,412,781,594.31/644,540.34
  6. Step 6: Final answer
    x = 461,433.93

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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.