Finding the Fourth Proportional to 768,809.73, 1,153,324.86 and 236,375.46
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Solution
The fourth proportional to 768,809.73, 1,153,324.86 and 236,375.46 is: 354,597.09
Step by Step Solution
- Step 1: Write the proportion equation
768,809.73 : 1,153,324.86 = 236,375.46 : x - Step 2: Convert to fraction form
768,809.73/1,153,324.86 = 236,375.46/x - Step 3: Cross multiply
768,809.73x = 1,153,324.86 × 236,375.46 - Step 4: Simplify right side
768,809.73x = 272,617,694,311.94 - Step 5: Solve for x
x = 272,617,694,311.94/768,809.73 - Step 6: Final answer
x = 354,597.09
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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.