Finding the Fourth Proportional to 889,702.98, 1,227,790.74 and 481,805.26
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Solution
The fourth proportional to 889,702.98, 1,227,790.74 and 481,805.26 is: 664,891.60
Step by Step Solution
- Step 1: Write the proportion equation
889,702.98 : 1,227,790.74 = 481,805.26 : x - Step 2: Convert to fraction form
889,702.98/1,227,790.74 = 481,805.26/x - Step 3: Cross multiply
889,702.98x = 1,227,790.74 × 481,805.26 - Step 4: Simplify right side
889,702.98x = 591,556,036,711.29 - Step 5: Solve for x
x = 591,556,036,711.29/889,702.98 - Step 6: Final answer
x = 664,891.60
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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.