Finding the Fourth Proportional to 522,676.40, 784,409.16 and 382,797.68
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Solution
The fourth proportional to 522,676.40, 784,409.16 and 382,797.68 is: 574,485.49
Step by Step Solution
- Step 1: Write the proportion equation
522,676.40 : 784,409.16 = 382,797.68 : x - Step 2: Convert to fraction form
522,676.40/784,409.16 = 382,797.68/x - Step 3: Cross multiply
522,676.40x = 784,409.16 × 382,797.68 - Step 4: Simplify right side
522,676.40x = 300,270,006,618.75 - Step 5: Solve for x
x = 300,270,006,618.75/522,676.40 - Step 6: Final answer
x = 574,485.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.