Finding the Fourth Proportional to 477,133.09, 658,224.21 and 422,740.75
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Solution
The fourth proportional to 477,133.09, 658,224.21 and 422,740.75 is: 583,187.80
Step by Step Solution
- Step 1: Write the proportion equation
477,133.09 : 658,224.21 = 422,740.75 : x - Step 2: Convert to fraction form
477,133.09/658,224.21 = 422,740.75/x - Step 3: Cross multiply
477,133.09x = 658,224.21 × 422,740.75 - Step 4: Simplify right side
477,133.09x = 278,258,198,611.62 - Step 5: Solve for x
x = 278,258,198,611.62/477,133.09 - Step 6: Final answer
x = 583,187.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.