Finding the Fourth Proportional to 748,388.97, 1,122,582.24 and 215,912.79
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Solution
The fourth proportional to 748,388.97, 1,122,582.24 and 215,912.79 is: 323,868.83
Step by Step Solution
- Step 1: Write the proportion equation
748,388.97 : 1,122,582.24 = 215,912.79 : x - Step 2: Convert to fraction form
748,388.97/1,122,582.24 = 215,912.79/x - Step 3: Cross multiply
748,388.97x = 1,122,582.24 × 215,912.79 - Step 4: Simplify right side
748,388.97x = 242,379,863,442.85 - Step 5: Solve for x
x = 242,379,863,442.85/748,388.97 - Step 6: Final answer
x = 323,868.83
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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.