Home / 680,745.26-1,021,748.41-344,022.86

Finding the Fourth Proportional to 680,745.26, 1,021,748.41 and 344,022.86

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Solution

The fourth proportional to 680,745.26, 1,021,748.41 and 344,022.86 is: 516,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,745.26 : 1,021,748.41 = 344,022.86 : x
  2. Step 2: Convert to fraction form
    680,745.26/1,021,748.41 = 344,022.86/x
  3. Step 3: Cross multiply
    680,745.26x = 1,021,748.41 × 344,022.86
  4. Step 4: Simplify right side
    680,745.26x = 351,504,810,208.65
  5. Step 5: Solve for x
    x = 351,504,810,208.65/680,745.26
  6. Step 6: Final answer
    x = 516,352.93

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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.