Finding the Fourth Proportional to 848,685.09, 1,171,149.76 and 481,186.96
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Solution
The fourth proportional to 848,685.09, 1,171,149.76 and 481,186.96 is: 664,017.78
Step by Step Solution
- Step 1: Write the proportion equation
848,685.09 : 1,171,149.76 = 481,186.96 : x - Step 2: Convert to fraction form
848,685.09/1,171,149.76 = 481,186.96/x - Step 3: Cross multiply
848,685.09x = 1,171,149.76 × 481,186.96 - Step 4: Simplify right side
848,685.09x = 563,541,992,719.13 - Step 5: Solve for x
x = 563,541,992,719.13/848,685.09 - Step 6: Final answer
x = 664,017.78
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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.