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Finding the Fourth Proportional to 593,334.50, 818,805.57 and 321,402.41

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Solution

The fourth proportional to 593,334.50, 818,805.57 and 321,402.41 is: 443,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,334.50 : 818,805.57 = 321,402.41 : x
  2. Step 2: Convert to fraction form
    593,334.50/818,805.57 = 321,402.41/x
  3. Step 3: Cross multiply
    593,334.50x = 818,805.57 × 321,402.41
  4. Step 4: Simplify right side
    593,334.50x = 263,166,083,519.42
  5. Step 5: Solve for x
    x = 263,166,083,519.42/593,334.50
  6. Step 6: Final answer
    x = 443,537.47

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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.