Finding the Fourth Proportional to 823,635.99, 1,136,641.40 and 461,057.70
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Solution
The fourth proportional to 823,635.99, 1,136,641.40 and 461,057.70 is: 636,272.90
Step by Step Solution
- Step 1: Write the proportion equation
823,635.99 : 1,136,641.40 = 461,057.70 : x - Step 2: Convert to fraction form
823,635.99/1,136,641.40 = 461,057.70/x - Step 3: Cross multiply
823,635.99x = 1,136,641.40 × 461,057.70 - Step 4: Simplify right side
823,635.99x = 524,057,261,620.29 - Step 5: Solve for x
x = 524,057,261,620.29/823,635.99 - Step 6: Final answer
x = 636,272.90
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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.