Finding the Fourth Proportional to 557,757.70, 769,710.52 and 303,108.94
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Solution
The fourth proportional to 557,757.70, 769,710.52 and 303,108.94 is: 418,293.00
Step by Step Solution
- Step 1: Write the proportion equation
557,757.70 : 769,710.52 = 303,108.94 : x - Step 2: Convert to fraction form
557,757.70/769,710.52 = 303,108.94/x - Step 3: Cross multiply
557,757.70x = 769,710.52 × 303,108.94 - Step 4: Simplify right side
557,757.70x = 233,306,139,824.05 - Step 5: Solve for x
x = 233,306,139,824.05/557,757.70 - Step 6: Final answer
x = 418,293.00
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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.