Finding the Fourth Proportional to 823,452.75, 1,136,105.86 and 460,818.99
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Solution
The fourth proportional to 823,452.75, 1,136,105.86 and 460,818.99 is: 635,785.30
Step by Step Solution
- Step 1: Write the proportion equation
823,452.75 : 1,136,105.86 = 460,818.99 : x - Step 2: Convert to fraction form
823,452.75/1,136,105.86 = 460,818.99/x - Step 3: Cross multiply
823,452.75x = 1,136,105.86 × 460,818.99 - Step 4: Simplify right side
823,452.75x = 523,539,158,046.63 - Step 5: Solve for x
x = 523,539,158,046.63/823,452.75 - Step 6: Final answer
x = 635,785.30
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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.