Home / 850,260.80-1,275,354.30-317,786.44

Finding the Fourth Proportional to 850,260.80, 1,275,354.30 and 317,786.44

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Solution

The fourth proportional to 850,260.80, 1,275,354.30 and 317,786.44 is: 476,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,260.80 : 1,275,354.30 = 317,786.44 : x
  2. Step 2: Convert to fraction form
    850,260.80/1,275,354.30 = 317,786.44/x
  3. Step 3: Cross multiply
    850,260.80x = 1,275,354.30 × 317,786.44
  4. Step 4: Simplify right side
    850,260.80x = 405,290,302,735.69
  5. Step 5: Solve for x
    x = 405,290,302,735.69/850,260.80
  6. Step 6: Final answer
    x = 476,665.87

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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.