Finding the Fourth Proportional to 823,520.20, 1,136,405.10 and 460,882.84
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Solution
The fourth proportional to 823,520.20, 1,136,405.10 and 460,882.84 is: 635,988.78
Step by Step Solution
- Step 1: Write the proportion equation
823,520.20 : 1,136,405.10 = 460,882.84 : x - Step 2: Convert to fraction form
823,520.20/1,136,405.10 = 460,882.84/x - Step 3: Cross multiply
823,520.20x = 1,136,405.10 × 460,882.84 - Step 4: Simplify right side
823,520.20x = 523,749,609,878.48 - Step 5: Solve for x
x = 523,749,609,878.48/823,520.20 - Step 6: Final answer
x = 635,988.78
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1.5x scale
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.