Finding the Fourth Proportional to 706,243.20, 1,059,364.80 and 327,163.20
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Solution
The fourth proportional to 706,243.20, 1,059,364.80 and 327,163.20 is: 490,744.80
Step by Step Solution
- Step 1: Write the proportion equation
706,243.20 : 1,059,364.80 = 327,163.20 : x - Step 2: Convert to fraction form
706,243.20/1,059,364.80 = 327,163.20/x - Step 3: Cross multiply
706,243.20x = 1,059,364.80 × 327,163.20 - Step 4: Simplify right side
706,243.20x = 346,585,177,935.36 - Step 5: Solve for x
x = 346,585,177,935.36/706,243.20 - Step 6: Final answer
x = 490,744.80
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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.