Finding the Fourth Proportional to 636,211.26, 877,982.49 and 349,743.42
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Solution
The fourth proportional to 636,211.26, 877,982.49 and 349,743.42 is: 482,651.94
Step by Step Solution
- Step 1: Write the proportion equation
636,211.26 : 877,982.49 = 349,743.42 : x - Step 2: Convert to fraction form
636,211.26/877,982.49 = 349,743.42/x - Step 3: Cross multiply
636,211.26x = 877,982.49 × 349,743.42 - Step 4: Simplify right side
636,211.26x = 307,068,598,752.72 - Step 5: Solve for x
x = 307,068,598,752.72/636,211.26 - Step 6: Final answer
x = 482,651.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.