Home / 921,652.20-1,383,100.92-322,618.32

Finding the Fourth Proportional to 921,652.20, 1,383,100.92 and 322,618.32

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Solution

The fourth proportional to 921,652.20, 1,383,100.92 and 322,618.32 is: 484,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,652.20 : 1,383,100.92 = 322,618.32 : x
  2. Step 2: Convert to fraction form
    921,652.20/1,383,100.92 = 322,618.32/x
  3. Step 3: Cross multiply
    921,652.20x = 1,383,100.92 × 322,618.32
  4. Step 4: Simplify right side
    921,652.20x = 446,213,695,200.85
  5. Step 5: Solve for x
    x = 446,213,695,200.85/921,652.20
  6. Step 6: Final answer
    x = 484,145.42

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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.