Finding the Fourth Proportional to 857,581.44, 1,183,305.84 and 494,872.94
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Solution
The fourth proportional to 857,581.44, 1,183,305.84 and 494,872.94 is: 682,834.32
Step by Step Solution
- Step 1: Write the proportion equation
857,581.44 : 1,183,305.84 = 494,872.94 : x - Step 2: Convert to fraction form
857,581.44/1,183,305.84 = 494,872.94/x - Step 3: Cross multiply
857,581.44x = 1,183,305.84 × 494,872.94 - Step 4: Simplify right side
857,581.44x = 585,586,039,959.97 - Step 5: Solve for x
x = 585,586,039,959.97/857,581.44 - Step 6: Final answer
x = 682,834.32
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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.