Finding the Fourth Proportional to 804,976.13, 1,207,505.56 and 205,942.49
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Solution
The fourth proportional to 804,976.13, 1,207,505.56 and 205,942.49 is: 308,924.32
Step by Step Solution
- Step 1: Write the proportion equation
804,976.13 : 1,207,505.56 = 205,942.49 : x - Step 2: Convert to fraction form
804,976.13/1,207,505.56 = 205,942.49/x - Step 3: Cross multiply
804,976.13x = 1,207,505.56 × 205,942.49 - Step 4: Simplify right side
804,976.13x = 248,676,701,715.24 - Step 5: Solve for x
x = 248,676,701,715.24/804,976.13 - Step 6: Final answer
x = 308,924.32
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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.