Home / 819,657.20-1,229,485.80-504,729.20

Finding the Fourth Proportional to 819,657.20, 1,229,485.80 and 504,729.20

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Solution

The fourth proportional to 819,657.20, 1,229,485.80 and 504,729.20 is: 757,093.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,657.20 : 1,229,485.80 = 504,729.20 : x
  2. Step 2: Convert to fraction form
    819,657.20/1,229,485.80 = 504,729.20/x
  3. Step 3: Cross multiply
    819,657.20x = 1,229,485.80 × 504,729.20
  4. Step 4: Simplify right side
    819,657.20x = 620,557,384,245.36
  5. Step 5: Solve for x
    x = 620,557,384,245.36/819,657.20
  6. Step 6: Final answer
    x = 757,093.80

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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.