Home / 607,986.26-912,163.90-323,628.43

Finding the Fourth Proportional to 607,986.26, 912,163.90 and 323,628.43

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Solution

The fourth proportional to 607,986.26, 912,163.90 and 323,628.43 is: 485,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,986.26 : 912,163.90 = 323,628.43 : x
  2. Step 2: Convert to fraction form
    607,986.26/912,163.90 = 323,628.43/x
  3. Step 3: Cross multiply
    607,986.26x = 912,163.90 × 323,628.43
  4. Step 4: Simplify right side
    607,986.26x = 295,202,166,298.86
  5. Step 5: Solve for x
    x = 295,202,166,298.86/607,986.26
  6. Step 6: Final answer
    x = 485,540.85

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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.