Home / 685,383.30-1,027,961.55-229,968.90

Finding the Fourth Proportional to 685,383.30, 1,027,961.55 and 229,968.90

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Solution

The fourth proportional to 685,383.30, 1,027,961.55 and 229,968.90 is: 344,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,383.30 : 1,027,961.55 = 229,968.90 : x
  2. Step 2: Convert to fraction form
    685,383.30/1,027,961.55 = 229,968.90/x
  3. Step 3: Cross multiply
    685,383.30x = 1,027,961.55 × 229,968.90
  4. Step 4: Simplify right side
    685,383.30x = 236,399,186,895.80
  5. Step 5: Solve for x
    x = 236,399,186,895.80/685,383.30
  6. Step 6: Final answer
    x = 344,915.30

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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.