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Finding the Fourth Proportional to 579,304.77, 799,487.92 and 321,262.53

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Solution

The fourth proportional to 579,304.77, 799,487.92 and 321,262.53 is: 443,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,304.77 : 799,487.92 = 321,262.53 : x
  2. Step 2: Convert to fraction form
    579,304.77/799,487.92 = 321,262.53/x
  3. Step 3: Cross multiply
    579,304.77x = 799,487.92 × 321,262.53
  4. Step 4: Simplify right side
    579,304.77x = 256,845,511,883.64
  5. Step 5: Solve for x
    x = 256,845,511,883.64/579,304.77
  6. Step 6: Final answer
    x = 443,368.54

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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.