Finding the Fourth Proportional to 726,178.86, 1,089,273.18 and 252,862.68
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Solution
The fourth proportional to 726,178.86, 1,089,273.18 and 252,862.68 is: 379,295.72
Step by Step Solution
- Step 1: Write the proportion equation
726,178.86 : 1,089,273.18 = 252,862.68 : x - Step 2: Convert to fraction form
726,178.86/1,089,273.18 = 252,862.68/x - Step 3: Cross multiply
726,178.86x = 1,089,273.18 × 252,862.68 - Step 4: Simplify right side
726,178.86x = 275,436,535,546.92 - Step 5: Solve for x
x = 275,436,535,546.92/726,178.86 - Step 6: Final answer
x = 379,295.72
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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.