Finding the Fourth Proportional to 748,071.24, 1,122,253.20 and 274,760.16
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Solution
The fourth proportional to 748,071.24, 1,122,253.20 and 274,760.16 is: 412,193.99
Step by Step Solution
- Step 1: Write the proportion equation
748,071.24 : 1,122,253.20 = 274,760.16 : x - Step 2: Convert to fraction form
748,071.24/1,122,253.20 = 274,760.16/x - Step 3: Cross multiply
748,071.24x = 1,122,253.20 × 274,760.16 - Step 4: Simplify right side
748,071.24x = 308,350,468,792.51 - Step 5: Solve for x
x = 308,350,468,792.51/748,071.24 - Step 6: Final answer
x = 412,193.99
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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.