Finding the Fourth Proportional to 920,080.67, 1,269,622.26 and 678,493.31
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Solution
The fourth proportional to 920,080.67, 1,269,622.26 and 678,493.31 is: 936,255.09
Step by Step Solution
- Step 1: Write the proportion equation
920,080.67 : 1,269,622.26 = 678,493.31 : x - Step 2: Convert to fraction form
920,080.67/1,269,622.26 = 678,493.31/x - Step 3: Cross multiply
920,080.67x = 1,269,622.26 × 678,493.31 - Step 4: Simplify right side
920,080.67x = 861,430,203,288.97 - Step 5: Solve for x
x = 861,430,203,288.97/920,080.67 - Step 6: Final answer
x = 936,255.09
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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.