Finding the Fourth Proportional to 732,489.36, 1,099,049.79 and 395,463.09
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Solution
The fourth proportional to 732,489.36, 1,099,049.79 and 395,463.09 is: 593,365.11
Step by Step Solution
- Step 1: Write the proportion equation
732,489.36 : 1,099,049.79 = 395,463.09 : x - Step 2: Convert to fraction form
732,489.36/1,099,049.79 = 395,463.09/x - Step 3: Cross multiply
732,489.36x = 1,099,049.79 × 395,463.09 - Step 4: Simplify right side
732,489.36x = 434,633,629,397.20 - Step 5: Solve for x
x = 434,633,629,397.20/732,489.36 - Step 6: Final answer
x = 593,365.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.