Finding the Fourth Proportional to 889,704.92, 1,227,793.42 and 481,809.96
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Solution
The fourth proportional to 889,704.92, 1,227,793.42 and 481,809.96 is: 664,898.09
Step by Step Solution
- Step 1: Write the proportion equation
889,704.92 : 1,227,793.42 = 481,809.96 : x - Step 2: Convert to fraction form
889,704.92/1,227,793.42 = 481,809.96/x - Step 3: Cross multiply
889,704.92x = 1,227,793.42 × 481,809.96 - Step 4: Simplify right side
889,704.92x = 591,563,098,578.46 - Step 5: Solve for x
x = 591,563,098,578.46/889,704.92 - Step 6: Final answer
x = 664,898.09
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1.5x scale
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.