Finding the Fourth Proportional to 489,272.20, 733,908.30 and 453,842.80
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Solution
The fourth proportional to 489,272.20, 733,908.30 and 453,842.80 is: 680,764.20
Step by Step Solution
- Step 1: Write the proportion equation
489,272.20 : 733,908.30 = 453,842.80 : x - Step 2: Convert to fraction form
489,272.20/733,908.30 = 453,842.80/x - Step 3: Cross multiply
489,272.20x = 733,908.30 × 453,842.80 - Step 4: Simplify right side
489,272.20x = 333,078,997,815.24 - Step 5: Solve for x
x = 333,078,997,815.24/489,272.20 - Step 6: Final answer
x = 680,764.20
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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.