Home / 814,910.04-1,221,616.68-282,058.42

Finding the Fourth Proportional to 814,910.04, 1,221,616.68 and 282,058.42

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Solution

The fourth proportional to 814,910.04, 1,221,616.68 and 282,058.42 is: 422,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,910.04 : 1,221,616.68 = 282,058.42 : x
  2. Step 2: Convert to fraction form
    814,910.04/1,221,616.68 = 282,058.42/x
  3. Step 3: Cross multiply
    814,910.04x = 1,221,616.68 × 282,058.42
  4. Step 4: Simplify right side
    814,910.04x = 344,567,270,606.45
  5. Step 5: Solve for x
    x = 344,567,270,606.45/814,910.04
  6. Step 6: Final answer
    x = 422,828.60

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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.