Finding the Fourth Proportional to 823,256.01, 1,136,140.91 and 460,676.70
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Solution
The fourth proportional to 823,256.01, 1,136,140.91 and 460,676.70 is: 635,760.49
Step by Step Solution
- Step 1: Write the proportion equation
823,256.01 : 1,136,140.91 = 460,676.70 : x - Step 2: Convert to fraction form
823,256.01/1,136,140.91 = 460,676.70/x - Step 3: Cross multiply
823,256.01x = 1,136,140.91 × 460,676.70 - Step 4: Simplify right side
823,256.01x = 523,393,642,850.41 - Step 5: Solve for x
x = 523,393,642,850.41/823,256.01 - Step 6: Final answer
x = 635,760.49
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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.