Finding the Fourth Proportional to 823,473.85, 1,136,134.86 and 460,840.09
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Solution
The fourth proportional to 823,473.85, 1,136,134.86 and 460,840.09 is: 635,814.35
Step by Step Solution
- Step 1: Write the proportion equation
823,473.85 : 1,136,134.86 = 460,840.09 : x - Step 2: Convert to fraction form
823,473.85/1,136,134.86 = 460,840.09/x - Step 3: Cross multiply
823,473.85x = 1,136,134.86 × 460,840.09 - Step 4: Simplify right side
823,473.85x = 523,576,491,134.54 - Step 5: Solve for x
x = 523,576,491,134.54/823,473.85 - Step 6: Final answer
x = 635,814.35
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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.