Finding the Fourth Proportional to 889,487.49, 1,227,491.11 and 481,589.28
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Solution
The fourth proportional to 889,487.49, 1,227,491.11 and 481,589.28 is: 664,592.32
Step by Step Solution
- Step 1: Write the proportion equation
889,487.49 : 1,227,491.11 = 481,589.28 : x - Step 2: Convert to fraction form
889,487.49/1,227,491.11 = 481,589.28/x - Step 3: Cross multiply
889,487.49x = 1,227,491.11 × 481,589.28 - Step 4: Simplify right side
889,487.49x = 591,146,553,733.85 - Step 5: Solve for x
x = 591,146,553,733.85/889,487.49 - Step 6: Final answer
x = 664,592.32
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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.