Finding the Fourth Proportional to 726,075.44, 1,089,118.56 and 252,759.68
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Solution
The fourth proportional to 726,075.44, 1,089,118.56 and 252,759.68 is: 379,141.40
Step by Step Solution
- Step 1: Write the proportion equation
726,075.44 : 1,089,118.56 = 252,759.68 : x - Step 2: Convert to fraction form
726,075.44/1,089,118.56 = 252,759.68/x - Step 3: Cross multiply
726,075.44x = 1,089,118.56 × 252,759.68 - Step 4: Simplify right side
726,075.44x = 275,285,258,707.66 - Step 5: Solve for x
x = 275,285,258,707.66/726,075.44 - Step 6: Final answer
x = 379,141.40
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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.