Finding the Fourth Proportional to 726,118, 1,089,324.56 and 252,840.24
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Solution
The fourth proportional to 726,118, 1,089,324.56 and 252,840.24 is: 379,311.74
Step by Step Solution
- Step 1: Write the proportion equation
726,118 : 1,089,324.56 = 252,840.24 : x - Step 2: Convert to fraction form
726,118/1,089,324.56 = 252,840.24/x - Step 3: Cross multiply
726,118x = 1,089,324.56 × 252,840.24 - Step 4: Simplify right side
726,118x = 275,425,083,188.29 - Step 5: Solve for x
x = 275,425,083,188.29/726,118 - Step 6: Final answer
x = 379,311.74
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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.