Home / 844,145.64-1,266,081.66-311,917.32

Finding the Fourth Proportional to 844,145.64, 1,266,081.66 and 311,917.32

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Solution

The fourth proportional to 844,145.64, 1,266,081.66 and 311,917.32 is: 467,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,145.64 : 1,266,081.66 = 311,917.32 : x
  2. Step 2: Convert to fraction form
    844,145.64/1,266,081.66 = 311,917.32/x
  3. Step 3: Cross multiply
    844,145.64x = 1,266,081.66 × 311,917.32
  4. Step 4: Simplify right side
    844,145.64x = 394,912,798,288.35
  5. Step 5: Solve for x
    x = 394,912,798,288.35/844,145.64
  6. Step 6: Final answer
    x = 467,825.43

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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.