Finding the Fourth Proportional to 547,560.92, 755,626.10 and 305,846.94
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Solution
The fourth proportional to 547,560.92, 755,626.10 and 305,846.94 is: 422,064.33
Step by Step Solution
- Step 1: Write the proportion equation
547,560.92 : 755,626.10 = 305,846.94 : x - Step 2: Convert to fraction form
547,560.92/755,626.10 = 305,846.94/x - Step 3: Cross multiply
547,560.92x = 755,626.10 × 305,846.94 - Step 4: Simplify right side
547,560.92x = 231,105,930,469.13 - Step 5: Solve for x
x = 231,105,930,469.13/547,560.92 - Step 6: Final answer
x = 422,064.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.