Finding the Fourth Proportional to 816,352.29, 1,126,579.61 and 448,844.94
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Solution
The fourth proportional to 816,352.29, 1,126,579.61 and 448,844.94 is: 619,413.41
Step by Step Solution
- Step 1: Write the proportion equation
816,352.29 : 1,126,579.61 = 448,844.94 : x - Step 2: Convert to fraction form
816,352.29/1,126,579.61 = 448,844.94/x - Step 3: Cross multiply
816,352.29x = 1,126,579.61 × 448,844.94 - Step 4: Simplify right side
816,352.29x = 505,659,558,577.79 - Step 5: Solve for x
x = 505,659,558,577.79/816,352.29 - Step 6: Final answer
x = 619,413.41
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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.