Finding the Fourth Proportional to 762,761.92, 1,052,608.08 and 423,229.36
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Solution
The fourth proportional to 762,761.92, 1,052,608.08 and 423,229.36 is: 584,054.65
Step by Step Solution
- Step 1: Write the proportion equation
762,761.92 : 1,052,608.08 = 423,229.36 : x - Step 2: Convert to fraction form
762,761.92/1,052,608.08 = 423,229.36/x - Step 3: Cross multiply
762,761.92x = 1,052,608.08 × 423,229.36 - Step 4: Simplify right side
762,761.92x = 445,494,644,029.23 - Step 5: Solve for x
x = 445,494,644,029.23/762,761.92 - Step 6: Final answer
x = 584,054.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.