Finding the Fourth Proportional to 512,470.84, 768,847.20 and 246,453.88
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Solution
The fourth proportional to 512,470.84, 768,847.20 and 246,453.88 is: 369,748.60
Step by Step Solution
- Step 1: Write the proportion equation
512,470.84 : 768,847.20 = 246,453.88 : x - Step 2: Convert to fraction form
512,470.84/768,847.20 = 246,453.88/x - Step 3: Cross multiply
512,470.84x = 768,847.20 × 246,453.88 - Step 4: Simplify right side
512,470.84x = 189,485,375,567.14 - Step 5: Solve for x
x = 189,485,375,567.14/512,470.84 - Step 6: Final answer
x = 369,748.60
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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.