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Finding the Fourth Proportional to 592,967.14, 818,288.64 and 321,027.82

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Solution

The fourth proportional to 592,967.14, 818,288.64 and 321,027.82 is: 443,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,967.14 : 818,288.64 = 321,027.82 : x
  2. Step 2: Convert to fraction form
    592,967.14/818,288.64 = 321,027.82/x
  3. Step 3: Cross multiply
    592,967.14x = 818,288.64 × 321,027.82
  4. Step 4: Simplify right side
    592,967.14x = 262,693,418,229.97
  5. Step 5: Solve for x
    x = 262,693,418,229.97/592,967.14
  6. Step 6: Final answer
    x = 443,015.14

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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.