Finding the Fourth Proportional to 874,879.56, 1,199,459.79 and 858,936.36
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Solution
The fourth proportional to 874,879.56, 1,199,459.79 and 858,936.36 is: 1,177,601.66
Step by Step Solution
- Step 1: Write the proportion equation
874,879.56 : 1,199,459.79 = 858,936.36 : x - Step 2: Convert to fraction form
874,879.56/1,199,459.79 = 858,936.36/x - Step 3: Cross multiply
874,879.56x = 1,199,459.79 × 858,936.36 - Step 4: Simplify right side
874,879.56x = 1,030,259,625,988.96 - Step 5: Solve for x
x = 1,030,259,625,988.96/874,879.56 - Step 6: Final answer
x = 1,177,601.66
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.