Finding the Fourth Proportional to 550,363.80, 825,545.70 and 379,121.70
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Solution
The fourth proportional to 550,363.80, 825,545.70 and 379,121.70 is: 568,682.55
Step by Step Solution
- Step 1: Write the proportion equation
550,363.80 : 825,545.70 = 379,121.70 : x - Step 2: Convert to fraction form
550,363.80/825,545.70 = 379,121.70/x - Step 3: Cross multiply
550,363.80x = 825,545.70 × 379,121.70 - Step 4: Simplify right side
550,363.80x = 312,982,289,211.69 - Step 5: Solve for x
x = 312,982,289,211.69/550,363.80 - Step 6: Final answer
x = 568,682.55
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Similar ratio
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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.