Home / 739,747.08-1,112,261.22-681,288.30

Finding the Fourth Proportional to 739,747.08, 1,112,261.22 and 681,288.30

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Solution

The fourth proportional to 739,747.08, 1,112,261.22 and 681,288.30 is: 1,024,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,747.08 : 1,112,261.22 = 681,288.30 : x
  2. Step 2: Convert to fraction form
    739,747.08/1,112,261.22 = 681,288.30/x
  3. Step 3: Cross multiply
    739,747.08x = 1,112,261.22 × 681,288.30
  4. Step 4: Simplify right side
    739,747.08x = 757,770,555,729.73
  5. Step 5: Solve for x
    x = 757,770,555,729.73/739,747.08
  6. Step 6: Final answer
    x = 1,024,364.38

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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.