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Finding the Fourth Proportional to 629,951.10, 869,336.60 and 343,475.97

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Solution

The fourth proportional to 629,951.10, 869,336.60 and 343,475.97 is: 473,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,951.10 : 869,336.60 = 343,475.97 : x
  2. Step 2: Convert to fraction form
    629,951.10/869,336.60 = 343,475.97/x
  3. Step 3: Cross multiply
    629,951.10x = 869,336.60 × 343,475.97
  4. Step 4: Simplify right side
    629,951.10x = 298,596,230,224.12
  5. Step 5: Solve for x
    x = 298,596,230,224.12/629,951.10
  6. Step 6: Final answer
    x = 473,999.06

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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.