Finding the Fourth Proportional to 863,715.57, 1,191,929.18 and 481,767.09
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Solution
The fourth proportional to 863,715.57, 1,191,929.18 and 481,767.09 is: 664,839.53
Step by Step Solution
- Step 1: Write the proportion equation
863,715.57 : 1,191,929.18 = 481,767.09 : x - Step 2: Convert to fraction form
863,715.57/1,191,929.18 = 481,767.09/x - Step 3: Cross multiply
863,715.57x = 1,191,929.18 × 481,767.09 - Step 4: Simplify right side
863,715.57x = 574,232,250,125.85 - Step 5: Solve for x
x = 574,232,250,125.85/863,715.57 - Step 6: Final answer
x = 664,839.53
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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.