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Finding the Fourth Proportional to 593,028.33, 818,375.62 and 321,090.62

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Solution

The fourth proportional to 593,028.33, 818,375.62 and 321,090.62 is: 443,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,028.33 : 818,375.62 = 321,090.62 : x
  2. Step 2: Convert to fraction form
    593,028.33/818,375.62 = 321,090.62/x
  3. Step 3: Cross multiply
    593,028.33x = 818,375.62 × 321,090.62
  4. Step 4: Simplify right side
    593,028.33x = 262,772,735,218.68
  5. Step 5: Solve for x
    x = 262,772,735,218.68/593,028.33
  6. Step 6: Final answer
    x = 443,103.17

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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.