Finding the Fourth Proportional to 834,912.36, 1,252,517.31 and 266,418.18
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Solution
The fourth proportional to 834,912.36, 1,252,517.31 and 266,418.18 is: 399,674.74
Step by Step Solution
- Step 1: Write the proportion equation
834,912.36 : 1,252,517.31 = 266,418.18 : x - Step 2: Convert to fraction form
834,912.36/1,252,517.31 = 266,418.18/x - Step 3: Cross multiply
834,912.36x = 1,252,517.31 × 266,418.18 - Step 4: Simplify right side
834,912.36x = 333,693,382,148.70 - Step 5: Solve for x
x = 333,693,382,148.70/834,912.36 - Step 6: Final answer
x = 399,674.74
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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.