Finding the Fourth Proportional to 682,591.75, 1,023,621.49 and 255,894.98
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Solution
The fourth proportional to 682,591.75, 1,023,621.49 and 255,894.98 is: 383,742.70
Step by Step Solution
- Step 1: Write the proportion equation
682,591.75 : 1,023,621.49 = 255,894.98 : x - Step 2: Convert to fraction form
682,591.75/1,023,621.49 = 255,894.98/x - Step 3: Cross multiply
682,591.75x = 1,023,621.49 × 255,894.98 - Step 4: Simplify right side
682,591.75x = 261,939,601,175.94 - Step 5: Solve for x
x = 261,939,601,175.94/682,591.75 - Step 6: Final answer
x = 383,742.70
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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.