Finding the Fourth Proportional to 866,578.72, 1,299,902.64 and 267,486.88
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Solution
The fourth proportional to 866,578.72, 1,299,902.64 and 267,486.88 is: 401,240.99
Step by Step Solution
- Step 1: Write the proportion equation
866,578.72 : 1,299,902.64 = 267,486.88 : x - Step 2: Convert to fraction form
866,578.72/1,299,902.64 = 267,486.88/x - Step 3: Cross multiply
866,578.72x = 1,299,902.64 × 267,486.88 - Step 4: Simplify right side
866,578.72x = 347,706,901,477.36 - Step 5: Solve for x
x = 347,706,901,477.36/866,578.72 - Step 6: Final answer
x = 401,240.99
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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.