Finding the Fourth Proportional to 810,057.68, 1,213,755.18 and 277,288.08
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Solution
The fourth proportional to 810,057.68, 1,213,755.18 and 277,288.08 is: 415,476.39
Step by Step Solution
- Step 1: Write the proportion equation
810,057.68 : 1,213,755.18 = 277,288.08 : x - Step 2: Convert to fraction form
810,057.68/1,213,755.18 = 277,288.08/x - Step 3: Cross multiply
810,057.68x = 1,213,755.18 × 277,288.08 - Step 4: Simplify right side
810,057.68x = 336,559,843,452.25 - Step 5: Solve for x
x = 336,559,843,452.25/810,057.68 - Step 6: Final answer
x = 415,476.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.