Finding the Fourth Proportional to 843,974.24, 1,266,072.53 and 275,155.58
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Solution
The fourth proportional to 843,974.24, 1,266,072.53 and 275,155.58 is: 412,769.62
Step by Step Solution
- Step 1: Write the proportion equation
843,974.24 : 1,266,072.53 = 275,155.58 : x - Step 2: Convert to fraction form
843,974.24/1,266,072.53 = 275,155.58/x - Step 3: Cross multiply
843,974.24x = 1,266,072.53 × 275,155.58 - Step 4: Simplify right side
843,974.24x = 348,366,923,103.62 - Step 5: Solve for x
x = 348,366,923,103.62/843,974.24 - Step 6: Final answer
x = 412,769.62
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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.