Finding the Fourth Proportional to 784,748.64, 1,177,233.63 and 252,091.09
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Solution
The fourth proportional to 784,748.64, 1,177,233.63 and 252,091.09 is: 378,172.19
Step by Step Solution
- Step 1: Write the proportion equation
784,748.64 : 1,177,233.63 = 252,091.09 : x - Step 2: Convert to fraction form
784,748.64/1,177,233.63 = 252,091.09/x - Step 3: Cross multiply
784,748.64x = 1,177,233.63 × 252,091.09 - Step 4: Simplify right side
784,748.64x = 296,770,108,971.36 - Step 5: Solve for x
x = 296,770,108,971.36/784,748.64 - Step 6: Final answer
x = 378,172.19
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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.