Finding the Fourth Proportional to 868,755.43, 1,198,890.51 and 481,575.03
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Solution
The fourth proportional to 868,755.43, 1,198,890.51 and 481,575.03 is: 664,577.99
Step by Step Solution
- Step 1: Write the proportion equation
868,755.43 : 1,198,890.51 = 481,575.03 : x - Step 2: Convert to fraction form
868,755.43/1,198,890.51 = 481,575.03/x - Step 3: Cross multiply
868,755.43x = 1,198,890.51 × 481,575.03 - Step 4: Simplify right side
868,755.43x = 577,355,733,319.97 - Step 5: Solve for x
x = 577,355,733,319.97/868,755.43 - Step 6: Final answer
x = 664,577.99
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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.