Finding the Fourth Proportional to 664,481.70, 996,722.55 and 454,529.70
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Solution
The fourth proportional to 664,481.70, 996,722.55 and 454,529.70 is: 681,794.55
Step by Step Solution
- Step 1: Write the proportion equation
664,481.70 : 996,722.55 = 454,529.70 : x - Step 2: Convert to fraction form
664,481.70/996,722.55 = 454,529.70/x - Step 3: Cross multiply
664,481.70x = 996,722.55 × 454,529.70 - Step 4: Simplify right side
664,481.70x = 453,040,001,634.74 - Step 5: Solve for x
x = 453,040,001,634.74/664,481.70 - Step 6: Final answer
x = 681,794.55
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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.