Finding the Fourth Proportional to 823,475.75, 1,136,137.46 and 460,841.99
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Solution
The fourth proportional to 823,475.75, 1,136,137.46 and 460,841.99 is: 635,816.95
Step by Step Solution
- Step 1: Write the proportion equation
823,475.75 : 1,136,137.46 = 460,841.99 : x - Step 2: Convert to fraction form
823,475.75/1,136,137.46 = 460,841.99/x - Step 3: Cross multiply
823,475.75x = 1,136,137.46 × 460,841.99 - Step 4: Simplify right side
823,475.75x = 523,579,839,995.05 - Step 5: Solve for x
x = 523,579,839,995.05/823,475.75 - Step 6: Final answer
x = 635,816.95
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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.