Finding the Fourth Proportional to 777,790.87, 1,072,532.97 and 614,175.93
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Solution
The fourth proportional to 777,790.87, 1,072,532.97 and 614,175.93 is: 846,916.52
Step by Step Solution
- Step 1: Write the proportion equation
777,790.87 : 1,072,532.97 = 614,175.93 : x - Step 2: Convert to fraction form
777,790.87/1,072,532.97 = 614,175.93/x - Step 3: Cross multiply
777,790.87x = 1,072,532.97 × 614,175.93 - Step 4: Simplify right side
777,790.87x = 658,723,932,002.25 - Step 5: Solve for x
x = 658,723,932,002.25/777,790.87 - Step 6: Final answer
x = 846,916.52
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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.