Finding the Fourth Proportional to 489,606.19, 733,818.69 and 252,819.79
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Solution
The fourth proportional to 489,606.19, 733,818.69 and 252,819.79 is: 378,924.72
Step by Step Solution
- Step 1: Write the proportion equation
489,606.19 : 733,818.69 = 252,819.79 : x - Step 2: Convert to fraction form
489,606.19/733,818.69 = 252,819.79/x - Step 3: Cross multiply
489,606.19x = 733,818.69 × 252,819.79 - Step 4: Simplify right side
489,606.19x = 185,523,887,735.93 - Step 5: Solve for x
x = 185,523,887,735.93/489,606.19 - Step 6: Final answer
x = 378,924.72
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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.