Finding the Fourth Proportional to 557,819.99, 769,791.67 and 303,171.18
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Solution
The fourth proportional to 557,819.99, 769,791.67 and 303,171.18 is: 418,376.27
Step by Step Solution
- Step 1: Write the proportion equation
557,819.99 : 769,791.67 = 303,171.18 : x - Step 2: Convert to fraction form
557,819.99/769,791.67 = 303,171.18/x - Step 3: Cross multiply
557,819.99x = 769,791.67 × 303,171.18 - Step 4: Simplify right side
557,819.99x = 233,378,648,948.07 - Step 5: Solve for x
x = 233,378,648,948.07/557,819.99 - Step 6: Final answer
x = 418,376.27
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1.5x scale
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.