Finding the Fourth Proportional to 629,596.55, 868,817.88 and 343,110.48
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Solution
The fourth proportional to 629,596.55, 868,817.88 and 343,110.48 is: 473,478.65
Step by Step Solution
- Step 1: Write the proportion equation
629,596.55 : 868,817.88 = 343,110.48 : x - Step 2: Convert to fraction form
629,596.55/868,817.88 = 343,110.48/x - Step 3: Cross multiply
629,596.55x = 868,817.88 × 343,110.48 - Step 4: Simplify right side
629,596.55x = 298,100,519,839.38 - Step 5: Solve for x
x = 298,100,519,839.38/629,596.55 - Step 6: Final answer
x = 473,478.65
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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.