Finding the Fourth Proportional to 557,756.70, 769,709.14 and 303,107.94
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Solution
The fourth proportional to 557,756.70, 769,709.14 and 303,107.94 is: 418,291.62
Step by Step Solution
- Step 1: Write the proportion equation
557,756.70 : 769,709.14 = 303,107.94 : x - Step 2: Convert to fraction form
557,756.70/769,709.14 = 303,107.94/x - Step 3: Cross multiply
557,756.70x = 769,709.14 × 303,107.94 - Step 4: Simplify right side
557,756.70x = 233,304,951,824.57 - Step 5: Solve for x
x = 233,304,951,824.57/557,756.70 - Step 6: Final answer
x = 418,291.62
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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.