Home / 855,571.82-1,284,619.30-477,231.75

Finding the Fourth Proportional to 855,571.82, 1,284,619.30 and 477,231.75

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Solution

The fourth proportional to 855,571.82, 1,284,619.30 and 477,231.75 is: 716,551.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,571.82 : 1,284,619.30 = 477,231.75 : x
  2. Step 2: Convert to fraction form
    855,571.82/1,284,619.30 = 477,231.75/x
  3. Step 3: Cross multiply
    855,571.82x = 1,284,619.30 × 477,231.75
  4. Step 4: Simplify right side
    855,571.82x = 613,061,115,429.70
  5. Step 5: Solve for x
    x = 613,061,115,429.70/855,571.82
  6. Step 6: Final answer
    x = 716,551.32

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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.