Finding the Fourth Proportional to 629,553.44, 868,761.68 and 343,067.68
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Solution
The fourth proportional to 629,553.44, 868,761.68 and 343,067.68 is: 473,421.37
Step by Step Solution
- Step 1: Write the proportion equation
629,553.44 : 868,761.68 = 343,067.68 : x - Step 2: Convert to fraction form
629,553.44/868,761.68 = 343,067.68/x - Step 3: Cross multiply
629,553.44x = 868,761.68 × 343,067.68 - Step 4: Simplify right side
629,553.44x = 298,044,054,030.50 - Step 5: Solve for x
x = 298,044,054,030.50/629,553.44 - Step 6: Final answer
x = 473,421.37
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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.