Finding the Fourth Proportional to 823,872.06, 1,136,911.95 and 461,261.99
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Solution
The fourth proportional to 823,872.06, 1,136,911.95 and 461,261.99 is: 636,523.92
Step by Step Solution
- Step 1: Write the proportion equation
823,872.06 : 1,136,911.95 = 461,261.99 : x - Step 2: Convert to fraction form
823,872.06/1,136,911.95 = 461,261.99/x - Step 3: Cross multiply
823,872.06x = 1,136,911.95 × 461,261.99 - Step 4: Simplify right side
823,872.06x = 524,414,271,354.06 - Step 5: Solve for x
x = 524,414,271,354.06/823,872.06 - Step 6: Final answer
x = 636,523.92
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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.