Finding the Fourth Proportional to 837,512.20, 1,256,268.30 and 332,193.70
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Solution
The fourth proportional to 837,512.20, 1,256,268.30 and 332,193.70 is: 498,290.55
Step by Step Solution
- Step 1: Write the proportion equation
837,512.20 : 1,256,268.30 = 332,193.70 : x - Step 2: Convert to fraction form
837,512.20/1,256,268.30 = 332,193.70/x - Step 3: Cross multiply
837,512.20x = 1,256,268.30 × 332,193.70 - Step 4: Simplify right side
837,512.20x = 417,324,414,769.71 - Step 5: Solve for x
x = 417,324,414,769.71/837,512.20 - Step 6: Final answer
x = 498,290.55
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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.