Finding the Fourth Proportional to 853,537.68, 1,177,361.46 and 547,511.04
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Solution
The fourth proportional to 853,537.68, 1,177,361.46 and 547,511.04 is: 755,231.33
Step by Step Solution
- Step 1: Write the proportion equation
853,537.68 : 1,177,361.46 = 547,511.04 : x - Step 2: Convert to fraction form
853,537.68/1,177,361.46 = 547,511.04/x - Step 3: Cross multiply
853,537.68x = 1,177,361.46 × 547,511.04 - Step 4: Simplify right side
853,537.68x = 644,618,397,420.52 - Step 5: Solve for x
x = 644,618,397,420.52/853,537.68 - Step 6: Final answer
x = 755,231.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.