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Finding the Fourth Proportional to 629,589.64, 868,808.46 and 343,103.62

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Solution

The fourth proportional to 629,589.64, 868,808.46 and 343,103.62 is: 473,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,589.64 : 868,808.46 = 343,103.62 : x
  2. Step 2: Convert to fraction form
    629,589.64/868,808.46 = 343,103.62/x
  3. Step 3: Cross multiply
    629,589.64x = 868,808.46 × 343,103.62
  4. Step 4: Simplify right side
    629,589.64x = 298,091,327,712.63
  5. Step 5: Solve for x
    x = 298,091,327,712.63/629,589.64
  6. Step 6: Final answer
    x = 473,469.24

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1.5x scale

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.