Home / 850,233.78-1,275,313.78-317,759.44

Finding the Fourth Proportional to 850,233.78, 1,275,313.78 and 317,759.44

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Solution

The fourth proportional to 850,233.78, 1,275,313.78 and 317,759.44 is: 476,625.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,233.78 : 1,275,313.78 = 317,759.44 : x
  2. Step 2: Convert to fraction form
    850,233.78/1,275,313.78 = 317,759.44/x
  3. Step 3: Cross multiply
    850,233.78x = 1,275,313.78 × 317,759.44
  4. Step 4: Simplify right side
    850,233.78x = 405,242,992,557.08
  5. Step 5: Solve for x
    x = 405,242,992,557.08/850,233.78
  6. Step 6: Final answer
    x = 476,625.37

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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.