Finding the Fourth Proportional to 739,467.92, 1,020,466.41 and 399,936.17
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Solution
The fourth proportional to 739,467.92, 1,020,466.41 and 399,936.17 is: 551,912.28
Step by Step Solution
- Step 1: Write the proportion equation
739,467.92 : 1,020,466.41 = 399,936.17 : x - Step 2: Convert to fraction form
739,467.92/1,020,466.41 = 399,936.17/x - Step 3: Cross multiply
739,467.92x = 1,020,466.41 × 399,936.17 - Step 4: Simplify right side
739,467.92x = 408,121,427,629.05 - Step 5: Solve for x
x = 408,121,427,629.05/739,467.92 - Step 6: Final answer
x = 551,912.28
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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.