Finding the Fourth Proportional to 748,197.80, 1,122,743.86 and 274,931
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Solution
The fourth proportional to 748,197.80, 1,122,743.86 and 274,931 is: 412,560.81
Step by Step Solution
- Step 1: Write the proportion equation
748,197.80 : 1,122,743.86 = 274,931 : x - Step 2: Convert to fraction form
748,197.80/1,122,743.86 = 274,931/x - Step 3: Cross multiply
748,197.80x = 1,122,743.86 × 274,931 - Step 4: Simplify right side
748,197.80x = 308,677,092,173.66 - Step 5: Solve for x
x = 308,677,092,173.66/748,197.80 - Step 6: Final answer
x = 412,560.81
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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.