Finding the Fourth Proportional to 823,642.43, 1,136,627.01 and 461,066.99
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Solution
The fourth proportional to 823,642.43, 1,136,627.01 and 461,066.99 is: 636,272.70
Step by Step Solution
- Step 1: Write the proportion equation
823,642.43 : 1,136,627.01 = 461,066.99 : x - Step 2: Convert to fraction form
823,642.43/1,136,627.01 = 461,066.99/x - Step 3: Cross multiply
823,642.43x = 1,136,627.01 × 461,066.99 - Step 4: Simplify right side
823,642.43x = 524,061,188,570.27 - Step 5: Solve for x
x = 524,061,188,570.27/823,642.43 - Step 6: Final answer
x = 636,272.70
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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.