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Finding the Fourth Proportional to 545,100.70, 816,095.85 and 482,892.70

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Solution

The fourth proportional to 545,100.70, 816,095.85 and 482,892.70 is: 722,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,100.70 : 816,095.85 = 482,892.70 : x
  2. Step 2: Convert to fraction form
    545,100.70/816,095.85 = 482,892.70/x
  3. Step 3: Cross multiply
    545,100.70x = 816,095.85 × 482,892.70
  4. Step 4: Simplify right side
    545,100.70x = 394,086,728,465.30
  5. Step 5: Solve for x
    x = 394,086,728,465.30/545,100.70
  6. Step 6: Final answer
    x = 722,961.33

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Why These Related Problems?

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