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Finding the Fourth Proportional to 802,768.96, 1,203,310.54 and 270,105.08

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Solution

The fourth proportional to 802,768.96, 1,203,310.54 and 270,105.08 is: 404,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,768.96 : 1,203,310.54 = 270,105.08 : x
  2. Step 2: Convert to fraction form
    802,768.96/1,203,310.54 = 270,105.08/x
  3. Step 3: Cross multiply
    802,768.96x = 1,203,310.54 × 270,105.08
  4. Step 4: Simplify right side
    802,768.96x = 325,020,289,671.54
  5. Step 5: Solve for x
    x = 325,020,289,671.54/802,768.96
  6. Step 6: Final answer
    x = 404,874.01

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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.