Finding the Fourth Proportional to 866,446.21, 1,299,672.96 and 568,810.09
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Solution
The fourth proportional to 866,446.21, 1,299,672.96 and 568,810.09 is: 853,217.53
Step by Step Solution
- Step 1: Write the proportion equation
866,446.21 : 1,299,672.96 = 568,810.09 : x - Step 2: Convert to fraction form
866,446.21/1,299,672.96 = 568,810.09/x - Step 3: Cross multiply
866,446.21x = 1,299,672.96 × 568,810.09 - Step 4: Simplify right side
866,446.21x = 739,267,093,348.17 - Step 5: Solve for x
x = 739,267,093,348.17/866,446.21 - Step 6: Final answer
x = 853,217.53
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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.