Finding the Fourth Proportional to 774,388.06, 1,161,183.23 and 347,557.97
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Solution
The fourth proportional to 774,388.06, 1,161,183.23 and 347,557.97 is: 521,157.94
Step by Step Solution
- Step 1: Write the proportion equation
774,388.06 : 1,161,183.23 = 347,557.97 : x - Step 2: Convert to fraction form
774,388.06/1,161,183.23 = 347,557.97/x - Step 3: Cross multiply
774,388.06x = 1,161,183.23 × 347,557.97 - Step 4: Simplify right side
774,388.06x = 403,578,486,216.84 - Step 5: Solve for x
x = 403,578,486,216.84/774,388.06 - Step 6: Final answer
x = 521,157.94
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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.