Finding the Fourth Proportional to 816,352.38, 1,126,579.74 and 448,845.03
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Solution
The fourth proportional to 816,352.38, 1,126,579.74 and 448,845.03 is: 619,413.54
Step by Step Solution
- Step 1: Write the proportion equation
816,352.38 : 1,126,579.74 = 448,845.03 : x - Step 2: Convert to fraction form
816,352.38/1,126,579.74 = 448,845.03/x - Step 3: Cross multiply
816,352.38x = 1,126,579.74 × 448,845.03 - Step 4: Simplify right side
816,352.38x = 505,659,717,197.69 - Step 5: Solve for x
x = 505,659,717,197.69/816,352.38 - Step 6: Final answer
x = 619,413.54
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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.