Finding the Fourth Proportional to 729,136.88, 1,093,757.87 and 279,857.75
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Solution
The fourth proportional to 729,136.88, 1,093,757.87 and 279,857.75 is: 419,806.79
Step by Step Solution
- Step 1: Write the proportion equation
729,136.88 : 1,093,757.87 = 279,857.75 : x - Step 2: Convert to fraction form
729,136.88/1,093,757.87 = 279,857.75/x - Step 3: Cross multiply
729,136.88x = 1,093,757.87 × 279,857.75 - Step 4: Simplify right side
729,136.88x = 306,096,609,674.91 - Step 5: Solve for x
x = 306,096,609,674.91/729,136.88 - Step 6: Final answer
x = 419,806.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.