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Finding the Fourth Proportional to 484,553.60, 726,830.40 and 274,601.60

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Solution

The fourth proportional to 484,553.60, 726,830.40 and 274,601.60 is: 411,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,553.60 : 726,830.40 = 274,601.60 : x
  2. Step 2: Convert to fraction form
    484,553.60/726,830.40 = 274,601.60/x
  3. Step 3: Cross multiply
    484,553.60x = 726,830.40 × 274,601.60
  4. Step 4: Simplify right side
    484,553.60x = 199,588,790,768.64
  5. Step 5: Solve for x
    x = 199,588,790,768.64/484,553.60
  6. Step 6: Final answer
    x = 411,902.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.