Home / 695,145.33-1,042,736.27-221,830.20

Finding the Fourth Proportional to 695,145.33, 1,042,736.27 and 221,830.20

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Solution

The fourth proportional to 695,145.33, 1,042,736.27 and 221,830.20 is: 332,751.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,145.33 : 1,042,736.27 = 221,830.20 : x
  2. Step 2: Convert to fraction form
    695,145.33/1,042,736.27 = 221,830.20/x
  3. Step 3: Cross multiply
    695,145.33x = 1,042,736.27 × 221,830.20
  4. Step 4: Simplify right side
    695,145.33x = 231,310,394,212.20
  5. Step 5: Solve for x
    x = 231,310,394,212.20/695,145.33
  6. Step 6: Final answer
    x = 332,751.13

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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.