Finding the Fourth Proportional to 726,701.99, 1,001,809.42 and 511,173.14
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Solution
The fourth proportional to 726,701.99, 1,001,809.42 and 511,173.14 is: 704,687.85
Step by Step Solution
- Step 1: Write the proportion equation
726,701.99 : 1,001,809.42 = 511,173.14 : x - Step 2: Convert to fraction form
726,701.99/1,001,809.42 = 511,173.14/x - Step 3: Cross multiply
726,701.99x = 1,001,809.42 × 511,173.14 - Step 4: Simplify right side
726,701.99x = 512,098,060,616.00 - Step 5: Solve for x
x = 512,098,060,616.00/726,701.99 - Step 6: Final answer
x = 704,687.85
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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.