Finding the Fourth Proportional to 726,727.50, 1,001,844.60 and 511,198.62
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Solution
The fourth proportional to 726,727.50, 1,001,844.60 and 511,198.62 is: 704,722.99
Step by Step Solution
- Step 1: Write the proportion equation
726,727.50 : 1,001,844.60 = 511,198.62 : x - Step 2: Convert to fraction form
726,727.50/1,001,844.60 = 511,198.62/x - Step 3: Cross multiply
726,727.50x = 1,001,844.60 × 511,198.62 - Step 4: Simplify right side
726,727.50x = 512,141,576,974.45 - Step 5: Solve for x
x = 512,141,576,974.45/726,727.50 - Step 6: Final answer
x = 704,722.99
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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.