Finding the Fourth Proportional to 629,044.88, 868,163.94 and 374,396.06
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Solution
The fourth proportional to 629,044.88, 868,163.94 and 374,396.06 is: 516,715.38
Step by Step Solution
- Step 1: Write the proportion equation
629,044.88 : 868,163.94 = 374,396.06 : x - Step 2: Convert to fraction form
629,044.88/868,163.94 = 374,396.06/x - Step 3: Cross multiply
629,044.88x = 868,163.94 × 374,396.06 - Step 4: Simplify right side
629,044.88x = 325,037,160,740.49 - Step 5: Solve for x
x = 325,037,160,740.49/629,044.88 - Step 6: Final answer
x = 516,715.38
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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.