Finding the Fourth Proportional to 466,626.20, 699,161.70 and 438,632.60
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Solution
The fourth proportional to 466,626.20, 699,161.70 and 438,632.60 is: 657,217.95
Step by Step Solution
- Step 1: Write the proportion equation
466,626.20 : 699,161.70 = 438,632.60 : x - Step 2: Convert to fraction form
466,626.20/699,161.70 = 438,632.60/x - Step 3: Cross multiply
466,626.20x = 699,161.70 × 438,632.60 - Step 4: Simplify right side
466,626.20x = 306,675,114,291.42 - Step 5: Solve for x
x = 306,675,114,291.42/466,626.20 - Step 6: Final answer
x = 657,217.95
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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.