Finding the Fourth Proportional to 777,626.26, 1,166,439.40 and 186,650.26
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Solution
The fourth proportional to 777,626.26, 1,166,439.40 and 186,650.26 is: 279,975.39
Step by Step Solution
- Step 1: Write the proportion equation
777,626.26 : 1,166,439.40 = 186,650.26 : x - Step 2: Convert to fraction form
777,626.26/1,166,439.40 = 186,650.26/x - Step 3: Cross multiply
777,626.26x = 1,166,439.40 × 186,650.26 - Step 4: Simplify right side
777,626.26x = 217,716,217,284.24 - Step 5: Solve for x
x = 217,716,217,284.24/777,626.26 - Step 6: Final answer
x = 279,975.39
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Similar ratio
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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.