Finding the Fourth Proportional to 784,749.64, 1,177,235.13 and 252,092.09
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Solution
The fourth proportional to 784,749.64, 1,177,235.13 and 252,092.09 is: 378,173.69
Step by Step Solution
- Step 1: Write the proportion equation
784,749.64 : 1,177,235.13 = 252,092.09 : x - Step 2: Convert to fraction form
784,749.64/1,177,235.13 = 252,092.09/x - Step 3: Cross multiply
784,749.64x = 1,177,235.13 × 252,092.09 - Step 4: Simplify right side
784,749.64x = 296,771,664,343.12 - Step 5: Solve for x
x = 296,771,664,343.12/784,749.64 - Step 6: Final answer
x = 378,173.69
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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.