Finding the Fourth Proportional to 667,277.24, 920,843.06 and 361,353.95
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Solution
The fourth proportional to 667,277.24, 920,843.06 and 361,353.95 is: 498,668.70
Step by Step Solution
- Step 1: Write the proportion equation
667,277.24 : 920,843.06 = 361,353.95 : x - Step 2: Convert to fraction form
667,277.24/920,843.06 = 361,353.95/x - Step 3: Cross multiply
667,277.24x = 920,843.06 × 361,353.95 - Step 4: Simplify right side
667,277.24x = 332,750,270,650.10 - Step 5: Solve for x
x = 332,750,270,650.10/667,277.24 - Step 6: Final answer
x = 498,668.70
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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.