Home / 804,999.20-1,207,716.57-272,520.27

Finding the Fourth Proportional to 804,999.20, 1,207,716.57 and 272,520.27

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Solution

The fourth proportional to 804,999.20, 1,207,716.57 and 272,520.27 is: 408,854.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,999.20 : 1,207,716.57 = 272,520.27 : x
  2. Step 2: Convert to fraction form
    804,999.20/1,207,716.57 = 272,520.27/x
  3. Step 3: Cross multiply
    804,999.20x = 1,207,716.57 × 272,520.27
  4. Step 4: Simplify right side
    804,999.20x = 329,127,245,739.87
  5. Step 5: Solve for x
    x = 329,127,245,739.87/804,999.20
  6. Step 6: Final answer
    x = 408,854.13

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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.