Finding the Fourth Proportional to 466,634.20, 699,173.70 and 438,640.60
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Solution
The fourth proportional to 466,634.20, 699,173.70 and 438,640.60 is: 657,229.95
Step by Step Solution
- Step 1: Write the proportion equation
466,634.20 : 699,173.70 = 438,640.60 : x - Step 2: Convert to fraction form
466,634.20/699,173.70 = 438,640.60/x - Step 3: Cross multiply
466,634.20x = 699,173.70 × 438,640.60 - Step 4: Simplify right side
466,634.20x = 306,685,971,272.22 - Step 5: Solve for x
x = 306,685,971,272.22/466,634.20 - Step 6: Final answer
x = 657,229.95
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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.