Finding the Fourth Proportional to 590,640.20, 886,616.40 and 324,919.70
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Solution
The fourth proportional to 590,640.20, 886,616.40 and 324,919.70 is: 487,740.48
Step by Step Solution
- Step 1: Write the proportion equation
590,640.20 : 886,616.40 = 324,919.70 : x - Step 2: Convert to fraction form
590,640.20/886,616.40 = 324,919.70/x - Step 3: Cross multiply
590,640.20x = 886,616.40 × 324,919.70 - Step 4: Simplify right side
590,640.20x = 288,079,134,703.08 - Step 5: Solve for x
x = 288,079,134,703.08/590,640.20 - Step 6: Final answer
x = 487,740.48
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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.