Finding the Fourth Proportional to 522,819.18, 784,229.09 and 256,517.91
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Solution
The fourth proportional to 522,819.18, 784,229.09 and 256,517.91 is: 384,777.02
Step by Step Solution
- Step 1: Write the proportion equation
522,819.18 : 784,229.09 = 256,517.91 : x - Step 2: Convert to fraction form
522,819.18/784,229.09 = 256,517.91/x - Step 3: Cross multiply
522,819.18x = 784,229.09 × 256,517.91 - Step 4: Simplify right side
522,819.18x = 201,168,805,845.41 - Step 5: Solve for x
x = 201,168,805,845.41/522,819.18 - Step 6: Final answer
x = 384,777.02
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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.