Home / 695,215.08-1,042,808.04-221,892.39

Finding the Fourth Proportional to 695,215.08, 1,042,808.04 and 221,892.39

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Solution

The fourth proportional to 695,215.08, 1,042,808.04 and 221,892.39 is: 332,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,215.08 : 1,042,808.04 = 221,892.39 : x
  2. Step 2: Convert to fraction form
    695,215.08/1,042,808.04 = 221,892.39/x
  3. Step 3: Cross multiply
    695,215.08x = 1,042,808.04 × 221,892.39
  4. Step 4: Simplify right side
    695,215.08x = 231,391,168,306.82
  5. Step 5: Solve for x
    x = 231,391,168,306.82/695,215.08
  6. Step 6: Final answer
    x = 332,833.93

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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.