Finding the Fourth Proportional to 571,754.97, 789,028.02 and 317,122.56
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Solution
The fourth proportional to 571,754.97, 789,028.02 and 317,122.56 is: 437,632.55
Step by Step Solution
- Step 1: Write the proportion equation
571,754.97 : 789,028.02 = 317,122.56 : x - Step 2: Convert to fraction form
571,754.97/789,028.02 = 317,122.56/x - Step 3: Cross multiply
571,754.97x = 789,028.02 × 317,122.56 - Step 4: Simplify right side
571,754.97x = 250,218,585,614.13 - Step 5: Solve for x
x = 250,218,585,614.13/571,754.97 - Step 6: Final answer
x = 437,632.55
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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.