Home / 842,736.23-1,162,691.13-479,902.80

Finding the Fourth Proportional to 842,736.23, 1,162,691.13 and 479,902.80

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Solution

The fourth proportional to 842,736.23, 1,162,691.13 and 479,902.80 is: 662,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,736.23 : 1,162,691.13 = 479,902.80 : x
  2. Step 2: Convert to fraction form
    842,736.23/1,162,691.13 = 479,902.80/x
  3. Step 3: Cross multiply
    842,736.23x = 1,162,691.13 × 479,902.80
  4. Step 4: Simplify right side
    842,736.23x = 557,978,726,422.65
  5. Step 5: Solve for x
    x = 557,978,726,422.65/842,736.23
  6. Step 6: Final answer
    x = 662,103.65

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1.5x scale

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.