Finding the Fourth Proportional to 807,640.20, 1,211,460.30 and 246,601.80
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Solution
The fourth proportional to 807,640.20, 1,211,460.30 and 246,601.80 is: 369,902.70
Step by Step Solution
- Step 1: Write the proportion equation
807,640.20 : 1,211,460.30 = 246,601.80 : x - Step 2: Convert to fraction form
807,640.20/1,211,460.30 = 246,601.80/x - Step 3: Cross multiply
807,640.20x = 1,211,460.30 × 246,601.80 - Step 4: Simplify right side
807,640.20x = 298,748,290,608.54 - Step 5: Solve for x
x = 298,748,290,608.54/807,640.20 - Step 6: Final answer
x = 369,902.70
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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.