Finding the Fourth Proportional to 748,102.24, 1,122,299.76 and 274,791.28
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Solution
The fourth proportional to 748,102.24, 1,122,299.76 and 274,791.28 is: 412,240.70
Step by Step Solution
- Step 1: Write the proportion equation
748,102.24 : 1,122,299.76 = 274,791.28 : x - Step 2: Convert to fraction form
748,102.24/1,122,299.76 = 274,791.28/x - Step 3: Cross multiply
748,102.24x = 1,122,299.76 × 274,791.28 - Step 4: Simplify right side
748,102.24x = 308,398,187,594.09 - Step 5: Solve for x
x = 308,398,187,594.09/748,102.24 - Step 6: Final answer
x = 412,240.70
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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.