Finding the Fourth Proportional to 603,815.70, 905,723.55 and 248,711.70
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Solution
The fourth proportional to 603,815.70, 905,723.55 and 248,711.70 is: 373,067.55
Step by Step Solution
- Step 1: Write the proportion equation
603,815.70 : 905,723.55 = 248,711.70 : x - Step 2: Convert to fraction form
603,815.70/905,723.55 = 248,711.70/x - Step 3: Cross multiply
603,815.70x = 905,723.55 × 248,711.70 - Step 4: Simplify right side
603,815.70x = 225,264,043,850.54 - Step 5: Solve for x
x = 225,264,043,850.54/603,815.70 - Step 6: Final answer
x = 373,067.55
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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.