Finding the Fourth Proportional to 557,788.69, 769,754.37 and 303,139.99
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Solution
The fourth proportional to 557,788.69, 769,754.37 and 303,139.99 is: 418,336.43
Step by Step Solution
- Step 1: Write the proportion equation
557,788.69 : 769,754.37 = 303,139.99 : x - Step 2: Convert to fraction form
557,788.69/769,754.37 = 303,139.99/x - Step 3: Cross multiply
557,788.69x = 769,754.37 × 303,139.99 - Step 4: Simplify right side
557,788.69x = 233,343,332,024.26 - Step 5: Solve for x
x = 233,343,332,024.26/557,788.69 - Step 6: Final answer
x = 418,336.43
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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.