Finding the Fourth Proportional to 889,711.62, 1,227,795.84 and 481,804.08
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Solution
The fourth proportional to 889,711.62, 1,227,795.84 and 481,804.08 is: 664,886.28
Step by Step Solution
- Step 1: Write the proportion equation
889,711.62 : 1,227,795.84 = 481,804.08 : x - Step 2: Convert to fraction form
889,711.62/1,227,795.84 = 481,804.08/x - Step 3: Cross multiply
889,711.62x = 1,227,795.84 × 481,804.08 - Step 4: Simplify right side
889,711.62x = 591,557,045,119.03 - Step 5: Solve for x
x = 591,557,045,119.03/889,711.62 - Step 6: Final answer
x = 664,886.28
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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.