Finding the Fourth Proportional to 782,497.26, 1,079,850.69 and 460,220.94
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Solution
The fourth proportional to 782,497.26, 1,079,850.69 and 460,220.94 is: 635,107.53
Step by Step Solution
- Step 1: Write the proportion equation
782,497.26 : 1,079,850.69 = 460,220.94 : x - Step 2: Convert to fraction form
782,497.26/1,079,850.69 = 460,220.94/x - Step 3: Cross multiply
782,497.26x = 1,079,850.69 × 460,220.94 - Step 4: Simplify right side
782,497.26x = 496,969,899,611.45 - Step 5: Solve for x
x = 496,969,899,611.45/782,497.26 - Step 6: Final answer
x = 635,107.53
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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.