Finding the Fourth Proportional to 923,161.34, 1,274,026.84 and 515,342.80
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Solution
The fourth proportional to 923,161.34, 1,274,026.84 and 515,342.80 is: 711,208.89
Step by Step Solution
- Step 1: Write the proportion equation
923,161.34 : 1,274,026.84 = 515,342.80 : x - Step 2: Convert to fraction form
923,161.34/1,274,026.84 = 515,342.80/x - Step 3: Cross multiply
923,161.34x = 1,274,026.84 × 515,342.80 - Step 4: Simplify right side
923,161.34x = 656,560,552,630.62 - Step 5: Solve for x
x = 656,560,552,630.62/923,161.34 - Step 6: Final answer
x = 711,208.89
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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.