Finding the Fourth Proportional to 498,121.55, 746,218.97 and 417,198.75
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Solution
The fourth proportional to 498,121.55, 746,218.97 and 417,198.75 is: 624,991.27
Step by Step Solution
- Step 1: Write the proportion equation
498,121.55 : 746,218.97 = 417,198.75 : x - Step 2: Convert to fraction form
498,121.55/746,218.97 = 417,198.75/x - Step 3: Cross multiply
498,121.55x = 746,218.97 × 417,198.75 - Step 4: Simplify right side
498,121.55x = 311,321,621,510.29 - Step 5: Solve for x
x = 311,321,621,510.29/498,121.55 - Step 6: Final answer
x = 624,991.27
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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.