Home / 739,004.40-1,107,194.40-691,765.20

Finding the Fourth Proportional to 739,004.40, 1,107,194.40 and 691,765.20

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Solution

The fourth proportional to 739,004.40, 1,107,194.40 and 691,765.20 is: 1,036,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,004.40 : 1,107,194.40 = 691,765.20 : x
  2. Step 2: Convert to fraction form
    739,004.40/1,107,194.40 = 691,765.20/x
  3. Step 3: Cross multiply
    739,004.40x = 1,107,194.40 × 691,765.20
  4. Step 4: Simplify right side
    739,004.40x = 765,918,555,554.88
  5. Step 5: Solve for x
    x = 765,918,555,554.88/739,004.40
  6. Step 6: Final answer
    x = 1,036,419.48

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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.