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Finding the Fourth Proportional to 606,163.46, 909,507.39 and 325,352.66

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Solution

The fourth proportional to 606,163.46, 909,507.39 and 325,352.66 is: 488,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,163.46 : 909,507.39 = 325,352.66 : x
  2. Step 2: Convert to fraction form
    606,163.46/909,507.39 = 325,352.66/x
  3. Step 3: Cross multiply
    606,163.46x = 909,507.39 × 325,352.66
  4. Step 4: Simplify right side
    606,163.46x = 295,910,648,626.16
  5. Step 5: Solve for x
    x = 295,910,648,626.16/606,163.46
  6. Step 6: Final answer
    x = 488,169.72

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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.