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Finding the Fourth Proportional to 620,901.27, 856,874.27 and 379,144.82

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Solution

The fourth proportional to 620,901.27, 856,874.27 and 379,144.82 is: 523,238.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,901.27 : 856,874.27 = 379,144.82 : x
  2. Step 2: Convert to fraction form
    620,901.27/856,874.27 = 379,144.82/x
  3. Step 3: Cross multiply
    620,901.27x = 856,874.27 × 379,144.82
  4. Step 4: Simplify right side
    620,901.27x = 324,879,443,951.83
  5. Step 5: Solve for x
    x = 324,879,443,951.83/620,901.27
  6. Step 6: Final answer
    x = 523,238.49

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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.