Finding the Fourth Proportional to 557,795.24, 769,757.08 and 303,146.48
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Solution
The fourth proportional to 557,795.24, 769,757.08 and 303,146.48 is: 418,341.95
Step by Step Solution
- Step 1: Write the proportion equation
557,795.24 : 769,757.08 = 303,146.48 : x - Step 2: Convert to fraction form
557,795.24/769,757.08 = 303,146.48/x - Step 3: Cross multiply
557,795.24x = 769,757.08 × 303,146.48 - Step 4: Simplify right side
557,795.24x = 233,349,149,257.08 - Step 5: Solve for x
x = 233,349,149,257.08/557,795.24 - Step 6: Final answer
x = 418,341.95
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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.