Finding the Fourth Proportional to 823,103.82, 1,135,927.26 and 460,505.97
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Solution
The fourth proportional to 823,103.82, 1,135,927.26 and 460,505.97 is: 635,522.85
Step by Step Solution
- Step 1: Write the proportion equation
823,103.82 : 1,135,927.26 = 460,505.97 : x - Step 2: Convert to fraction form
823,103.82/1,135,927.26 = 460,505.97/x - Step 3: Cross multiply
823,103.82x = 1,135,927.26 × 460,505.97 - Step 4: Simplify right side
823,103.82x = 523,101,284,715.74 - Step 5: Solve for x
x = 523,101,284,715.74/823,103.82 - Step 6: Final answer
x = 635,522.85
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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.