Home / 859,249.60-1,287,999.60-504,080.80

Finding the Fourth Proportional to 859,249.60, 1,287,999.60 and 504,080.80

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Solution

The fourth proportional to 859,249.60, 1,287,999.60 and 504,080.80 is: 755,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,249.60 : 1,287,999.60 = 504,080.80 : x
  2. Step 2: Convert to fraction form
    859,249.60/1,287,999.60 = 504,080.80/x
  3. Step 3: Cross multiply
    859,249.60x = 1,287,999.60 × 504,080.80
  4. Step 4: Simplify right side
    859,249.60x = 649,255,868,767.68
  5. Step 5: Solve for x
    x = 649,255,868,767.68/859,249.60
  6. Step 6: Final answer
    x = 755,608.00

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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.