Finding the Fourth Proportional to 822,554.36, 1,135,149.84 and 459,993.48
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Solution
The fourth proportional to 822,554.36, 1,135,149.84 and 459,993.48 is: 634,804.88
Step by Step Solution
- Step 1: Write the proportion equation
822,554.36 : 1,135,149.84 = 459,993.48 : x - Step 2: Convert to fraction form
822,554.36/1,135,149.84 = 459,993.48/x - Step 3: Cross multiply
822,554.36x = 1,135,149.84 × 459,993.48 - Step 4: Simplify right side
822,554.36x = 522,161,525,223.04 - Step 5: Solve for x
x = 522,161,525,223.04/822,554.36 - Step 6: Final answer
x = 634,804.88
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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.