Home / 728,586.30-1,092,077.55-255,027.90

Finding the Fourth Proportional to 728,586.30, 1,092,077.55 and 255,027.90

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Solution

The fourth proportional to 728,586.30, 1,092,077.55 and 255,027.90 is: 382,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,586.30 : 1,092,077.55 = 255,027.90 : x
  2. Step 2: Convert to fraction form
    728,586.30/1,092,077.55 = 255,027.90/x
  3. Step 3: Cross multiply
    728,586.30x = 1,092,077.55 × 255,027.90
  4. Step 4: Simplify right side
    728,586.30x = 278,510,244,213.65
  5. Step 5: Solve for x
    x = 278,510,244,213.65/728,586.30
  6. Step 6: Final answer
    x = 382,261.16

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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.