Finding the Fourth Proportional to 629,611.18, 868,838.07 and 343,125.07
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Solution
The fourth proportional to 629,611.18, 868,838.07 and 343,125.07 is: 473,498.78
Step by Step Solution
- Step 1: Write the proportion equation
629,611.18 : 868,838.07 = 343,125.07 : x - Step 2: Convert to fraction form
629,611.18/868,838.07 = 343,125.07/x - Step 3: Cross multiply
629,611.18x = 868,838.07 × 343,125.07 - Step 4: Simplify right side
629,611.18x = 298,120,123,587.42 - Step 5: Solve for x
x = 298,120,123,587.42/629,611.18 - Step 6: Final answer
x = 473,498.78
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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.