Finding the Fourth Proportional to 629,588.24, 868,806.43 and 343,102.18
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Solution
The fourth proportional to 629,588.24, 868,806.43 and 343,102.18 is: 473,467.19
Step by Step Solution
- Step 1: Write the proportion equation
629,588.24 : 868,806.43 = 343,102.18 : x - Step 2: Convert to fraction form
629,588.24/868,806.43 = 343,102.18/x - Step 3: Cross multiply
629,588.24x = 868,806.43 × 343,102.18 - Step 4: Simplify right side
629,588.24x = 298,089,379,695.23 - Step 5: Solve for x
x = 298,089,379,695.23/629,588.24 - Step 6: Final answer
x = 473,467.19
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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.