Finding the Fourth Proportional to 837,515.70, 1,256,273.55 and 332,197.20
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Solution
The fourth proportional to 837,515.70, 1,256,273.55 and 332,197.20 is: 498,295.80
Step by Step Solution
- Step 1: Write the proportion equation
837,515.70 : 1,256,273.55 = 332,197.20 : x - Step 2: Convert to fraction form
837,515.70/1,256,273.55 = 332,197.20/x - Step 3: Cross multiply
837,515.70x = 1,256,273.55 × 332,197.20 - Step 4: Simplify right side
837,515.70x = 417,330,555,744.06 - Step 5: Solve for x
x = 417,330,555,744.06/837,515.70 - Step 6: Final answer
x = 498,295.80
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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.