Finding the Fourth Proportional to 557,744.98, 769,688.07 and 303,096.19
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Solution
The fourth proportional to 557,744.98, 769,688.07 and 303,096.19 is: 418,272.74
Step by Step Solution
- Step 1: Write the proportion equation
557,744.98 : 769,688.07 = 303,096.19 : x - Step 2: Convert to fraction form
557,744.98/769,688.07 = 303,096.19/x - Step 3: Cross multiply
557,744.98x = 769,688.07 × 303,096.19 - Step 4: Simplify right side
557,744.98x = 233,289,521,505.45 - Step 5: Solve for x
x = 233,289,521,505.45/557,744.98 - Step 6: Final answer
x = 418,272.74
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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.