Finding the Fourth Proportional to 629,660.62, 868,949.86 and 343,199.26
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Solution
The fourth proportional to 629,660.62, 868,949.86 and 343,199.26 is: 473,624.90
Step by Step Solution
- Step 1: Write the proportion equation
629,660.62 : 868,949.86 = 343,199.26 : x - Step 2: Convert to fraction form
629,660.62/868,949.86 = 343,199.26/x - Step 3: Cross multiply
629,660.62x = 868,949.86 × 343,199.26 - Step 4: Simplify right side
629,660.62x = 298,222,944,584.35 - Step 5: Solve for x
x = 298,222,944,584.35/629,660.62 - Step 6: Final answer
x = 473,624.90
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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.