Finding the Fourth Proportional to 579,786.24, 800,112.96 and 350,311.44
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Solution
The fourth proportional to 579,786.24, 800,112.96 and 350,311.44 is: 483,434.59
Step by Step Solution
- Step 1: Write the proportion equation
579,786.24 : 800,112.96 = 350,311.44 : x - Step 2: Convert to fraction form
579,786.24/800,112.96 = 350,311.44/x - Step 3: Cross multiply
579,786.24x = 800,112.96 × 350,311.44 - Step 4: Simplify right side
579,786.24x = 280,288,723,180.26 - Step 5: Solve for x
x = 280,288,723,180.26/579,786.24 - Step 6: Final answer
x = 483,434.59
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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.