Finding the Fourth Proportional to 848,357.20, 1,170,755.49 and 461,198.80
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Solution
The fourth proportional to 848,357.20, 1,170,755.49 and 461,198.80 is: 636,466.61
Step by Step Solution
- Step 1: Write the proportion equation
848,357.20 : 1,170,755.49 = 461,198.80 : x - Step 2: Convert to fraction form
848,357.20/1,170,755.49 = 461,198.80/x - Step 3: Cross multiply
848,357.20x = 1,170,755.49 × 461,198.80 - Step 4: Simplify right side
848,357.20x = 539,951,027,081.41 - Step 5: Solve for x
x = 539,951,027,081.41/848,357.20 - Step 6: Final answer
x = 636,466.61
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1.5x scale
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.