Home / 703,999.20-1,055,998.80-324,919.20

Finding the Fourth Proportional to 703,999.20, 1,055,998.80 and 324,919.20

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Solution

The fourth proportional to 703,999.20, 1,055,998.80 and 324,919.20 is: 487,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,999.20 : 1,055,998.80 = 324,919.20 : x
  2. Step 2: Convert to fraction form
    703,999.20/1,055,998.80 = 324,919.20/x
  3. Step 3: Cross multiply
    703,999.20x = 1,055,998.80 × 324,919.20
  4. Step 4: Simplify right side
    703,999.20x = 343,114,285,296.96
  5. Step 5: Solve for x
    x = 343,114,285,296.96/703,999.20
  6. Step 6: Final answer
    x = 487,378.80

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Similar ratio
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1.5x scale

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.