Finding the Fourth Proportional to 756,733.26, 1,135,099.89 and 718,893.30
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Solution
The fourth proportional to 756,733.26, 1,135,099.89 and 718,893.30 is: 1,078,339.95
Step by Step Solution
- Step 1: Write the proportion equation
756,733.26 : 1,135,099.89 = 718,893.30 : x - Step 2: Convert to fraction form
756,733.26/1,135,099.89 = 718,893.30/x - Step 3: Cross multiply
756,733.26x = 1,135,099.89 × 718,893.30 - Step 4: Simplify right side
756,733.26x = 816,015,705,751.74 - Step 5: Solve for x
x = 816,015,705,751.74/756,733.26 - Step 6: Final answer
x = 1,078,339.95
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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.