Finding the Fourth Proportional to 401,891.20, 602,948.79 and 327,711.81
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Solution
The fourth proportional to 401,891.20, 602,948.79 and 327,711.81 is: 491,659.03
Step by Step Solution
- Step 1: Write the proportion equation
401,891.20 : 602,948.79 = 327,711.81 : x - Step 2: Convert to fraction form
401,891.20/602,948.79 = 327,711.81/x - Step 3: Cross multiply
401,891.20x = 602,948.79 × 327,711.81 - Step 4: Simplify right side
401,891.20x = 197,593,439,308.21 - Step 5: Solve for x
x = 197,593,439,308.21/401,891.20 - Step 6: Final answer
x = 491,659.03
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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.