Finding the Fourth Proportional to 557,811.54, 769,784.94 and 303,163.02
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Solution
The fourth proportional to 557,811.54, 769,784.94 and 303,163.02 is: 418,367.69
Step by Step Solution
- Step 1: Write the proportion equation
557,811.54 : 769,784.94 = 303,163.02 : x - Step 2: Convert to fraction form
557,811.54/769,784.94 = 303,163.02/x - Step 3: Cross multiply
557,811.54x = 769,784.94 × 303,163.02 - Step 4: Simplify right side
557,811.54x = 233,370,327,160.92 - Step 5: Solve for x
x = 233,370,327,160.92/557,811.54 - Step 6: Final answer
x = 418,367.69
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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.