Finding the Fourth Proportional to 774,074.88, 1,161,560.64 and 324,756
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Solution
The fourth proportional to 774,074.88, 1,161,560.64 and 324,756 is: 487,322.09
Step by Step Solution
- Step 1: Write the proportion equation
774,074.88 : 1,161,560.64 = 324,756 : x - Step 2: Convert to fraction form
774,074.88/1,161,560.64 = 324,756/x - Step 3: Cross multiply
774,074.88x = 1,161,560.64 × 324,756 - Step 4: Simplify right side
774,074.88x = 377,223,787,203.84 - Step 5: Solve for x
x = 377,223,787,203.84/774,074.88 - Step 6: Final answer
x = 487,322.09
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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.