Home / 680,610.62-1,019,132.30-479,844.02

Finding the Fourth Proportional to 680,610.62, 1,019,132.30 and 479,844.02

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Solution

The fourth proportional to 680,610.62, 1,019,132.30 and 479,844.02 is: 718,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,610.62 : 1,019,132.30 = 479,844.02 : x
  2. Step 2: Convert to fraction form
    680,610.62/1,019,132.30 = 479,844.02/x
  3. Step 3: Cross multiply
    680,610.62x = 1,019,132.30 × 479,844.02
  4. Step 4: Simplify right side
    680,610.62x = 489,024,539,743.85
  5. Step 5: Solve for x
    x = 489,024,539,743.85/680,610.62
  6. Step 6: Final answer
    x = 718,508.54

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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.