Finding the Fourth Proportional to 796,790.26, 1,099,542.63 and 434,206.72
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Solution
The fourth proportional to 796,790.26, 1,099,542.63 and 434,206.72 is: 599,190.05
Step by Step Solution
- Step 1: Write the proportion equation
796,790.26 : 1,099,542.63 = 434,206.72 : x - Step 2: Convert to fraction form
796,790.26/1,099,542.63 = 434,206.72/x - Step 3: Cross multiply
796,790.26x = 1,099,542.63 × 434,206.72 - Step 4: Simplify right side
796,790.26x = 477,428,798,872.47 - Step 5: Solve for x
x = 477,428,798,872.47/796,790.26 - Step 6: Final answer
x = 599,190.05
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1.5x scale
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.