Finding the Fourth Proportional to 748,391.00, 1,122,074.10 and 268,608.15
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Solution
The fourth proportional to 748,391.00, 1,122,074.10 and 268,608.15 is: 402,728.32
Step by Step Solution
- Step 1: Write the proportion equation
748,391.00 : 1,122,074.10 = 268,608.15 : x - Step 2: Convert to fraction form
748,391.00/1,122,074.10 = 268,608.15/x - Step 3: Cross multiply
748,391.00x = 1,122,074.10 × 268,608.15 - Step 4: Simplify right side
748,391.00x = 301,398,248,163.92 - Step 5: Solve for x
x = 301,398,248,163.92/748,391.00 - Step 6: Final answer
x = 402,728.32
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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.