Finding the Fourth Proportional to 700,631.26, 966,874.09 and 394,711.31
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Solution
The fourth proportional to 700,631.26, 966,874.09 and 394,711.31 is: 544,703.27
Step by Step Solution
- Step 1: Write the proportion equation
700,631.26 : 966,874.09 = 394,711.31 : x - Step 2: Convert to fraction form
700,631.26/966,874.09 = 394,711.31/x - Step 3: Cross multiply
700,631.26x = 966,874.09 × 394,711.31 - Step 4: Simplify right side
700,631.26x = 381,636,138,668.96 - Step 5: Solve for x
x = 381,636,138,668.96/700,631.26 - Step 6: Final answer
x = 544,703.27
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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.