Home / 639,669.03-882,716.58-349,257.30

Finding the Fourth Proportional to 639,669.03, 882,716.58 and 349,257.30

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Solution

The fourth proportional to 639,669.03, 882,716.58 and 349,257.30 is: 481,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,669.03 : 882,716.58 = 349,257.30 : x
  2. Step 2: Convert to fraction form
    639,669.03/882,716.58 = 349,257.30/x
  3. Step 3: Cross multiply
    639,669.03x = 882,716.58 × 349,257.30
  4. Step 4: Simplify right side
    639,669.03x = 308,295,209,396.03
  5. Step 5: Solve for x
    x = 308,295,209,396.03/639,669.03
  6. Step 6: Final answer
    x = 481,960.51

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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.