Home / 639,222.05-882,277.40-367,447.61

Finding the Fourth Proportional to 639,222.05, 882,277.40 and 367,447.61

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Solution

The fourth proportional to 639,222.05, 882,277.40 and 367,447.61 is: 507,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,222.05 : 882,277.40 = 367,447.61 : x
  2. Step 2: Convert to fraction form
    639,222.05/882,277.40 = 367,447.61/x
  3. Step 3: Cross multiply
    639,222.05x = 882,277.40 × 367,447.61
  4. Step 4: Simplify right side
    639,222.05x = 324,190,725,111.33
  5. Step 5: Solve for x
    x = 324,190,725,111.33/639,222.05
  6. Step 6: Final answer
    x = 507,164.49

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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.