Finding the Fourth Proportional to 835,620.97, 1,153,161.65 and 491,471.41
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Solution
The fourth proportional to 835,620.97, 1,153,161.65 and 491,471.41 is: 678,233.31
Step by Step Solution
- Step 1: Write the proportion equation
835,620.97 : 1,153,161.65 = 491,471.41 : x - Step 2: Convert to fraction form
835,620.97/1,153,161.65 = 491,471.41/x - Step 3: Cross multiply
835,620.97x = 1,153,161.65 × 491,471.41 - Step 4: Simplify right side
835,620.97x = 566,745,973,860.26 - Step 5: Solve for x
x = 566,745,973,860.26/835,620.97 - Step 6: Final answer
x = 678,233.31
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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.