Finding the Fourth Proportional to 557,777.24, 769,732.26 and 303,128.48
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Solution
The fourth proportional to 557,777.24, 769,732.26 and 303,128.48 is: 418,317.12
Step by Step Solution
- Step 1: Write the proportion equation
557,777.24 : 769,732.26 = 303,128.48 : x - Step 2: Convert to fraction form
557,777.24/769,732.26 = 303,128.48/x - Step 3: Cross multiply
557,777.24x = 769,732.26 × 303,128.48 - Step 4: Simplify right side
557,777.24x = 233,327,769,980.77 - Step 5: Solve for x
x = 233,327,769,980.77/557,777.24 - Step 6: Final answer
x = 418,317.12
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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.