Finding the Fourth Proportional to 994,239.54, 1,371,614.13 and 671,832.18
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Solution
The fourth proportional to 994,239.54, 1,371,614.13 and 671,832.18 is: 926,833.50
Step by Step Solution
- Step 1: Write the proportion equation
994,239.54 : 1,371,614.13 = 671,832.18 : x - Step 2: Convert to fraction form
994,239.54/1,371,614.13 = 671,832.18/x - Step 3: Cross multiply
994,239.54x = 1,371,614.13 × 671,832.18 - Step 4: Simplify right side
994,239.54x = 921,494,511,076.70 - Step 5: Solve for x
x = 921,494,511,076.70/994,239.54 - Step 6: Final answer
x = 926,833.50
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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.