Finding the Fourth Proportional to 757,578.69, 1,136,368.17 and 505,351.80
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Solution
The fourth proportional to 757,578.69, 1,136,368.17 and 505,351.80 is: 758,027.79
Step by Step Solution
- Step 1: Write the proportion equation
757,578.69 : 1,136,368.17 = 505,351.80 : x - Step 2: Convert to fraction form
757,578.69/1,136,368.17 = 505,351.80/x - Step 3: Cross multiply
757,578.69x = 1,136,368.17 × 505,351.80 - Step 4: Simplify right side
757,578.69x = 574,265,700,172.21 - Step 5: Solve for x
x = 574,265,700,172.21/757,578.69 - Step 6: Final answer
x = 758,027.79
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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.