Finding the Fourth Proportional to 757,687.06, 1,136,555.20 and 397,767.00
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Solution
The fourth proportional to 757,687.06, 1,136,555.20 and 397,767.00 is: 596,663.42
Step by Step Solution
- Step 1: Write the proportion equation
757,687.06 : 1,136,555.20 = 397,767.00 : x - Step 2: Convert to fraction form
757,687.06/1,136,555.20 = 397,767.00/x - Step 3: Cross multiply
757,687.06x = 1,136,555.20 × 397,767.00 - Step 4: Simplify right side
757,687.06x = 452,084,154,760.25 - Step 5: Solve for x
x = 452,084,154,760.25/757,687.06 - Step 6: Final answer
x = 596,663.42
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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.