Finding the Fourth Proportional to 726,586.79, 1,089,879.16 and 246,864.42
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Solution
The fourth proportional to 726,586.79, 1,089,879.16 and 246,864.42 is: 370,296.28
Step by Step Solution
- Step 1: Write the proportion equation
726,586.79 : 1,089,879.16 = 246,864.42 : x - Step 2: Convert to fraction form
726,586.79/1,089,879.16 = 246,864.42/x - Step 3: Cross multiply
726,586.79x = 1,089,879.16 × 246,864.42 - Step 4: Simplify right side
726,586.79x = 269,052,388,429.01 - Step 5: Solve for x
x = 269,052,388,429.01/726,586.79 - Step 6: Final answer
x = 370,296.28
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1.5x scale
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.