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Finding the Fourth Proportional to 629,902.27, 869,270.22 and 343,424.44

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Solution

The fourth proportional to 629,902.27, 869,270.22 and 343,424.44 is: 473,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,902.27 : 869,270.22 = 343,424.44 : x
  2. Step 2: Convert to fraction form
    629,902.27/869,270.22 = 343,424.44/x
  3. Step 3: Cross multiply
    629,902.27x = 869,270.22 × 343,424.44
  4. Step 4: Simplify right side
    629,902.27x = 298,528,638,512.18
  5. Step 5: Solve for x
    x = 298,528,638,512.18/629,902.27
  6. Step 6: Final answer
    x = 473,928.50

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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.