Home / 639,213.09-882,163.86-367,375.83

Finding the Fourth Proportional to 639,213.09, 882,163.86 and 367,375.83

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Solution

The fourth proportional to 639,213.09, 882,163.86 and 367,375.83 is: 507,007.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,213.09 : 882,163.86 = 367,375.83 : x
  2. Step 2: Convert to fraction form
    639,213.09/882,163.86 = 367,375.83/x
  3. Step 3: Cross multiply
    639,213.09x = 882,163.86 × 367,375.83
  4. Step 4: Simplify right side
    639,213.09x = 324,085,680,263.50
  5. Step 5: Solve for x
    x = 324,085,680,263.50/639,213.09
  6. Step 6: Final answer
    x = 507,007.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.