Finding the Fourth Proportional to 489,205.70, 733,808.56 and 489,205.70
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Solution
The fourth proportional to 489,205.70, 733,808.56 and 489,205.70 is: 733,808.56
Step by Step Solution
- Step 1: Write the proportion equation
489,205.70 : 733,808.56 = 489,205.70 : x - Step 2: Convert to fraction form
489,205.70/733,808.56 = 489,205.70/x - Step 3: Cross multiply
489,205.70x = 733,808.56 × 489,205.70 - Step 4: Simplify right side
489,205.70x = 358,983,330,260.79 - Step 5: Solve for x
x = 358,983,330,260.79/489,205.70 - Step 6: Final answer
x = 733,808.56
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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.