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Finding the Fourth Proportional to 628,522.29, 867,380.43 and 356,601.64

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Solution

The fourth proportional to 628,522.29, 867,380.43 and 356,601.64 is: 492,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,522.29 : 867,380.43 = 356,601.64 : x
  2. Step 2: Convert to fraction form
    628,522.29/867,380.43 = 356,601.64/x
  3. Step 3: Cross multiply
    628,522.29x = 867,380.43 × 356,601.64
  4. Step 4: Simplify right side
    628,522.29x = 309,309,283,841.91
  5. Step 5: Solve for x
    x = 309,309,283,841.91/628,522.29
  6. Step 6: Final answer
    x = 492,121.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.