Finding the Fourth Proportional to 823,790.97, 1,136,777.67 and 461,211.48
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Solution
The fourth proportional to 823,790.97, 1,136,777.67 and 461,211.48 is: 636,441.68
Step by Step Solution
- Step 1: Write the proportion equation
823,790.97 : 1,136,777.67 = 461,211.48 : x - Step 2: Convert to fraction form
823,790.97/1,136,777.67 = 461,211.48/x - Step 3: Cross multiply
823,790.97x = 1,136,777.67 × 461,211.48 - Step 4: Simplify right side
823,790.97x = 524,294,911,611.65 - Step 5: Solve for x
x = 524,294,911,611.65/823,790.97 - Step 6: Final answer
x = 636,441.68
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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.