Finding the Fourth Proportional to 757,721.53, 1,136,915.08 and 397,808.75
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Solution
The fourth proportional to 757,721.53, 1,136,915.08 and 397,808.75 is: 596,887.85
Step by Step Solution
- Step 1: Write the proportion equation
757,721.53 : 1,136,915.08 = 397,808.75 : x - Step 2: Convert to fraction form
757,721.53/1,136,915.08 = 397,808.75/x - Step 3: Cross multiply
757,721.53x = 1,136,915.08 × 397,808.75 - Step 4: Simplify right side
757,721.53x = 452,274,769,673.24 - Step 5: Solve for x
x = 452,274,769,673.24/757,721.53 - Step 6: Final answer
x = 596,887.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.