Home / 695,129.42-1,042,741.52-221,850.47

Finding the Fourth Proportional to 695,129.42, 1,042,741.52 and 221,850.47

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Solution

The fourth proportional to 695,129.42, 1,042,741.52 and 221,850.47 is: 332,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,129.42 : 1,042,741.52 = 221,850.47 : x
  2. Step 2: Convert to fraction form
    695,129.42/1,042,741.52 = 221,850.47/x
  3. Step 3: Cross multiply
    695,129.42x = 1,042,741.52 × 221,850.47
  4. Step 4: Simplify right side
    695,129.42x = 231,332,698,630.06
  5. Step 5: Solve for x
    x = 231,332,698,630.06/695,129.42
  6. Step 6: Final answer
    x = 332,790.83

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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.