Home / 800,586.60-1,200,879.90-268,052.10

Finding the Fourth Proportional to 800,586.60, 1,200,879.90 and 268,052.10

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Solution

The fourth proportional to 800,586.60, 1,200,879.90 and 268,052.10 is: 402,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,586.60 : 1,200,879.90 = 268,052.10 : x
  2. Step 2: Convert to fraction form
    800,586.60/1,200,879.90 = 268,052.10/x
  3. Step 3: Cross multiply
    800,586.60x = 1,200,879.90 × 268,052.10
  4. Step 4: Simplify right side
    800,586.60x = 321,898,379,042.79
  5. Step 5: Solve for x
    x = 321,898,379,042.79/800,586.60
  6. Step 6: Final answer
    x = 402,078.15

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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.