Home / 725,028-1,087,773.12-304,190.88

Finding the Fourth Proportional to 725,028, 1,087,773.12 and 304,190.88

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Solution

The fourth proportional to 725,028, 1,087,773.12 and 304,190.88 is: 456,383.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,028 : 1,087,773.12 = 304,190.88 : x
  2. Step 2: Convert to fraction form
    725,028/1,087,773.12 = 304,190.88/x
  3. Step 3: Cross multiply
    725,028x = 1,087,773.12 × 304,190.88
  4. Step 4: Simplify right side
    725,028x = 330,890,662,613.15
  5. Step 5: Solve for x
    x = 330,890,662,613.15/725,028
  6. Step 6: Final answer
    x = 456,383.29

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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.