Finding the Fourth Proportional to 873,125.20, 1,204,982.76 and 491,129.20
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Solution
The fourth proportional to 873,125.20, 1,204,982.76 and 491,129.20 is: 677,797.66
Step by Step Solution
- Step 1: Write the proportion equation
873,125.20 : 1,204,982.76 = 491,129.20 : x - Step 2: Convert to fraction form
873,125.20/1,204,982.76 = 491,129.20/x - Step 3: Cross multiply
873,125.20x = 1,204,982.76 × 491,129.20 - Step 4: Simplify right side
873,125.20x = 591,802,218,932.59 - Step 5: Solve for x
x = 591,802,218,932.59/873,125.20 - Step 6: Final answer
x = 677,797.66
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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.