Finding the Fourth Proportional to 743,649.26, 1,026,323.46 and 441,843.26
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Solution
The fourth proportional to 743,649.26, 1,026,323.46 and 441,843.26 is: 609,795.68
Step by Step Solution
- Step 1: Write the proportion equation
743,649.26 : 1,026,323.46 = 441,843.26 : x - Step 2: Convert to fraction form
743,649.26/1,026,323.46 = 441,843.26/x - Step 3: Cross multiply
743,649.26x = 1,026,323.46 × 441,843.26 - Step 4: Simplify right side
743,649.26x = 453,474,103,380.88 - Step 5: Solve for x
x = 453,474,103,380.88/743,649.26 - Step 6: Final answer
x = 609,795.68
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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.