Finding the Fourth Proportional to 873,018.22, 1,204,752.80 and 491,044.09
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Solution
The fourth proportional to 873,018.22, 1,204,752.80 and 491,044.09 is: 677,633.90
Step by Step Solution
- Step 1: Write the proportion equation
873,018.22 : 1,204,752.80 = 491,044.09 : x - Step 2: Convert to fraction form
873,018.22/1,204,752.80 = 491,044.09/x - Step 3: Cross multiply
873,018.22x = 1,204,752.80 × 491,044.09 - Step 4: Simplify right side
873,018.22x = 591,586,742,350.95 - Step 5: Solve for x
x = 591,586,742,350.95/873,018.22 - Step 6: Final answer
x = 677,633.90
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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.