Home / 413,250.05-620,208.29-213,627.38

Finding the Fourth Proportional to 413,250.05, 620,208.29 and 213,627.38

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Solution

The fourth proportional to 413,250.05, 620,208.29 and 213,627.38 is: 320,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,250.05 : 620,208.29 = 213,627.38 : x
  2. Step 2: Convert to fraction form
    413,250.05/620,208.29 = 213,627.38/x
  3. Step 3: Cross multiply
    413,250.05x = 620,208.29 × 213,627.38
  4. Step 4: Simplify right side
    413,250.05x = 132,493,469,480.01
  5. Step 5: Solve for x
    x = 132,493,469,480.01/413,250.05
  6. Step 6: Final answer
    x = 320,613.32

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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.