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Finding the Fourth Proportional to 629,591.32, 868,810.68 and 343,105.26

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Solution

The fourth proportional to 629,591.32, 868,810.68 and 343,105.26 is: 473,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,591.32 : 868,810.68 = 343,105.26 : x
  2. Step 2: Convert to fraction form
    629,591.32/868,810.68 = 343,105.26/x
  3. Step 3: Cross multiply
    629,591.32x = 868,810.68 × 343,105.26
  4. Step 4: Simplify right side
    629,591.32x = 298,093,514,252.18
  5. Step 5: Solve for x
    x = 298,093,514,252.18/629,591.32
  6. Step 6: Final answer
    x = 473,471.45

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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.