Home / 800,076.27-1,199,914.62-313,857.24

Finding the Fourth Proportional to 800,076.27, 1,199,914.62 and 313,857.24

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Solution

The fourth proportional to 800,076.27, 1,199,914.62 and 313,857.24 is: 470,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,076.27 : 1,199,914.62 = 313,857.24 : x
  2. Step 2: Convert to fraction form
    800,076.27/1,199,914.62 = 313,857.24/x
  3. Step 3: Cross multiply
    800,076.27x = 1,199,914.62 × 313,857.24
  4. Step 4: Simplify right side
    800,076.27x = 376,601,883,299.99
  5. Step 5: Solve for x
    x = 376,601,883,299.99/800,076.27
  6. Step 6: Final answer
    x = 470,707.48

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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.