Finding the Fourth Proportional to 777,939.99, 1,073,553.18 and 451,319.05
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Solution
The fourth proportional to 777,939.99, 1,073,553.18 and 451,319.05 is: 622,817.96
Step by Step Solution
- Step 1: Write the proportion equation
777,939.99 : 1,073,553.18 = 451,319.05 : x - Step 2: Convert to fraction form
777,939.99/1,073,553.18 = 451,319.05/x - Step 3: Cross multiply
777,939.99x = 1,073,553.18 × 451,319.05 - Step 4: Simplify right side
777,939.99x = 484,514,999,065.48 - Step 5: Solve for x
x = 484,514,999,065.48/777,939.99 - Step 6: Final answer
x = 622,817.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.