Finding the Fourth Proportional to 659,122.60, 987,906.30 and 492,716.20
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Solution
The fourth proportional to 659,122.60, 987,906.30 and 492,716.20 is: 738,493.02
Step by Step Solution
- Step 1: Write the proportion equation
659,122.60 : 987,906.30 = 492,716.20 : x - Step 2: Convert to fraction form
659,122.60/987,906.30 = 492,716.20/x - Step 3: Cross multiply
659,122.60x = 987,906.30 × 492,716.20 - Step 4: Simplify right side
659,122.60x = 486,757,438,092.06 - Step 5: Solve for x
x = 486,757,438,092.06/659,122.60 - Step 6: Final answer
x = 738,493.02
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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.