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Finding the Fourth Proportional to 441,612, 609,426 and 240,409.44

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Solution

The fourth proportional to 441,612, 609,426 and 240,409.44 is: 331,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,612 : 609,426 = 240,409.44 : x
  2. Step 2: Convert to fraction form
    441,612/609,426 = 240,409.44/x
  3. Step 3: Cross multiply
    441,612x = 609,426 × 240,409.44
  4. Step 4: Simplify right side
    441,612x = 146,511,763,381.44
  5. Step 5: Solve for x
    x = 146,511,763,381.44/441,612
  6. Step 6: Final answer
    x = 331,765.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.