Finding the Fourth Proportional to 823,474.62, 1,136,135.88 and 460,840.86
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Solution
The fourth proportional to 823,474.62, 1,136,135.88 and 460,840.86 is: 635,815.39
Step by Step Solution
- Step 1: Write the proportion equation
823,474.62 : 1,136,135.88 = 460,840.86 : x - Step 2: Convert to fraction form
823,474.62/1,136,135.88 = 460,840.86/x - Step 3: Cross multiply
823,474.62x = 1,136,135.88 × 460,840.86 - Step 4: Simplify right side
823,474.62x = 523,577,836,016.06 - Step 5: Solve for x
x = 523,577,836,016.06/823,474.62 - Step 6: Final answer
x = 635,815.39
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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.