Finding the Fourth Proportional to 656,571.80, 984,857.70 and 341,643.80
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Solution
The fourth proportional to 656,571.80, 984,857.70 and 341,643.80 is: 512,465.70
Step by Step Solution
- Step 1: Write the proportion equation
656,571.80 : 984,857.70 = 341,643.80 : x - Step 2: Convert to fraction form
656,571.80/984,857.70 = 341,643.80/x - Step 3: Cross multiply
656,571.80x = 984,857.70 × 341,643.80 - Step 4: Simplify right side
656,571.80x = 336,470,527,087.26 - Step 5: Solve for x
x = 336,470,527,087.26/656,571.80 - Step 6: Final answer
x = 512,465.70
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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.