Finding the Fourth Proportional to 598,921.99, 825,883.11 and 394,711.67
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Solution
The fourth proportional to 598,921.99, 825,883.11 and 394,711.67 is: 544,287.42
Step by Step Solution
- Step 1: Write the proportion equation
598,921.99 : 825,883.11 = 394,711.67 : x - Step 2: Convert to fraction form
598,921.99/825,883.11 = 394,711.67/x - Step 3: Cross multiply
598,921.99x = 825,883.11 × 394,711.67 - Step 4: Simplify right side
598,921.99x = 325,985,703,637.60 - Step 5: Solve for x
x = 325,985,703,637.60/598,921.99 - Step 6: Final answer
x = 544,287.42
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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.