Finding the Fourth Proportional to 629,662.62, 868,952.62 and 343,201.26
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Solution
The fourth proportional to 629,662.62, 868,952.62 and 343,201.26 is: 473,627.66
Step by Step Solution
- Step 1: Write the proportion equation
629,662.62 : 868,952.62 = 343,201.26 : x - Step 2: Convert to fraction form
629,662.62/868,952.62 = 343,201.26/x - Step 3: Cross multiply
629,662.62x = 868,952.62 × 343,201.26 - Step 4: Simplify right side
629,662.62x = 298,225,634,064.30 - Step 5: Solve for x
x = 298,225,634,064.30/629,662.62 - Step 6: Final answer
x = 473,627.66
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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.