Finding the Fourth Proportional to 557,694.28, 769,622.34 and 303,046.84
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Solution
The fourth proportional to 557,694.28, 769,622.34 and 303,046.84 is: 418,206.94
Step by Step Solution
- Step 1: Write the proportion equation
557,694.28 : 769,622.34 = 303,046.84 : x - Step 2: Convert to fraction form
557,694.28/769,622.34 = 303,046.84/x - Step 3: Cross multiply
557,694.28x = 769,622.34 × 303,046.84 - Step 4: Simplify right side
557,694.28x = 233,231,618,130.41 - Step 5: Solve for x
x = 233,231,618,130.41/557,694.28 - Step 6: Final answer
x = 418,206.94
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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.