Finding the Fourth Proportional to 629,566.16, 868,776.03 and 343,080.09
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Solution
The fourth proportional to 629,566.16, 868,776.03 and 343,080.09 is: 473,436.76
Step by Step Solution
- Step 1: Write the proportion equation
629,566.16 : 868,776.03 = 343,080.09 : x - Step 2: Convert to fraction form
629,566.16/868,776.03 = 343,080.09/x - Step 3: Cross multiply
629,566.16x = 868,776.03 × 343,080.09 - Step 4: Simplify right side
629,566.16x = 298,059,758,562.24 - Step 5: Solve for x
x = 298,059,758,562.24/629,566.16 - Step 6: Final answer
x = 473,436.76
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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.