Finding the Fourth Proportional to 565,711.97, 780,710.56 and 350,921.23
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Solution
The fourth proportional to 565,711.97, 780,710.56 and 350,921.23 is: 484,288.69
Step by Step Solution
- Step 1: Write the proportion equation
565,711.97 : 780,710.56 = 350,921.23 : x - Step 2: Convert to fraction form
565,711.97/780,710.56 = 350,921.23/x - Step 3: Cross multiply
565,711.97x = 780,710.56 × 350,921.23 - Step 4: Simplify right side
565,711.97x = 273,967,907,160.11 - Step 5: Solve for x
x = 273,967,907,160.11/565,711.97 - Step 6: Final answer
x = 484,288.69
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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.