Finding the Fourth Proportional to 994,872.71, 1,372,534.61 and 612,235.19
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Solution
The fourth proportional to 994,872.71, 1,372,534.61 and 612,235.19 is: 844,644.72
Step by Step Solution
- Step 1: Write the proportion equation
994,872.71 : 1,372,534.61 = 612,235.19 : x - Step 2: Convert to fraction form
994,872.71/1,372,534.61 = 612,235.19/x - Step 3: Cross multiply
994,872.71x = 1,372,534.61 × 612,235.19 - Step 4: Simplify right side
994,872.71x = 840,313,988,105.09 - Step 5: Solve for x
x = 840,313,988,105.09/994,872.71 - Step 6: Final answer
x = 844,644.72
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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.