Finding the Fourth Proportional to 726,138.52, 1,089,243.34 and 276,775.63
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Solution
The fourth proportional to 726,138.52, 1,089,243.34 and 276,775.63 is: 415,177.00
Step by Step Solution
- Step 1: Write the proportion equation
726,138.52 : 1,089,243.34 = 276,775.63 : x - Step 2: Convert to fraction form
726,138.52/1,089,243.34 = 276,775.63/x - Step 3: Cross multiply
726,138.52x = 1,089,243.34 × 276,775.63 - Step 4: Simplify right side
726,138.52x = 301,476,011,651.80 - Step 5: Solve for x
x = 301,476,011,651.80/726,138.52 - Step 6: Final answer
x = 415,177.00
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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.