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Finding the Fourth Proportional to 629,684.16, 868,958.56 and 343,204.24

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Solution

The fourth proportional to 629,684.16, 868,958.56 and 343,204.24 is: 473,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,684.16 : 868,958.56 = 343,204.24 : x
  2. Step 2: Convert to fraction form
    629,684.16/868,958.56 = 343,204.24/x
  3. Step 3: Cross multiply
    629,684.16x = 868,958.56 × 343,204.24
  4. Step 4: Simplify right side
    629,684.16x = 298,230,262,176.29
  5. Step 5: Solve for x
    x = 298,230,262,176.29/629,684.16
  6. Step 6: Final answer
    x = 473,618.81

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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.