Finding the Fourth Proportional to 489,163.80, 733,745.70 and 453,734.40
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Solution
The fourth proportional to 489,163.80, 733,745.70 and 453,734.40 is: 680,601.60
Step by Step Solution
- Step 1: Write the proportion equation
489,163.80 : 733,745.70 = 453,734.40 : x - Step 2: Convert to fraction form
489,163.80/733,745.70 = 453,734.40/x - Step 3: Cross multiply
489,163.80x = 733,745.70 × 453,734.40 - Step 4: Simplify right side
489,163.80x = 332,925,664,942.08 - Step 5: Solve for x
x = 332,925,664,942.08/489,163.80 - Step 6: Final answer
x = 680,601.60
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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.