Finding the Fourth Proportional to 701,767.20, 1,052,709.12 and 280,813.44
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Solution
The fourth proportional to 701,767.20, 1,052,709.12 and 280,813.44 is: 421,243.50
Step by Step Solution
- Step 1: Write the proportion equation
701,767.20 : 1,052,709.12 = 280,813.44 : x - Step 2: Convert to fraction form
701,767.20/1,052,709.12 = 280,813.44/x - Step 3: Cross multiply
701,767.20x = 1,052,709.12 × 280,813.44 - Step 4: Simplify right side
701,767.20x = 295,614,869,306.57 - Step 5: Solve for x
x = 295,614,869,306.57/701,767.20 - Step 6: Final answer
x = 421,243.50
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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.