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Finding the Fourth Proportional to 644,304.32, 966,073.62 and 244,974.32

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Solution

The fourth proportional to 644,304.32, 966,073.62 and 244,974.32 is: 367,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,304.32 : 966,073.62 = 244,974.32 : x
  2. Step 2: Convert to fraction form
    644,304.32/966,073.62 = 244,974.32/x
  3. Step 3: Cross multiply
    644,304.32x = 966,073.62 × 244,974.32
  4. Step 4: Simplify right side
    644,304.32x = 236,663,228,129.44
  5. Step 5: Solve for x
    x = 236,663,228,129.44/644,304.32
  6. Step 6: Final answer
    x = 367,315.91

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1.5x scale

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.