Home / 695,147.58-1,042,739.60-221,832.48

Finding the Fourth Proportional to 695,147.58, 1,042,739.60 and 221,832.48

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Solution

The fourth proportional to 695,147.58, 1,042,739.60 and 221,832.48 is: 332,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,147.58 : 1,042,739.60 = 221,832.48 : x
  2. Step 2: Convert to fraction form
    695,147.58/1,042,739.60 = 221,832.48/x
  3. Step 3: Cross multiply
    695,147.58x = 1,042,739.60 × 221,832.48
  4. Step 4: Simplify right side
    695,147.58x = 231,313,514,263.32
  5. Step 5: Solve for x
    x = 231,313,514,263.32/695,147.58
  6. Step 6: Final answer
    x = 332,754.54

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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.