Finding the Fourth Proportional to 557,531.44, 769,394.32 and 302,882.88
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Solution
The fourth proportional to 557,531.44, 769,394.32 and 302,882.88 is: 417,978.88
Step by Step Solution
- Step 1: Write the proportion equation
557,531.44 : 769,394.32 = 302,882.88 : x - Step 2: Convert to fraction form
557,531.44/769,394.32 = 302,882.88/x - Step 3: Cross multiply
557,531.44x = 769,394.32 × 302,882.88 - Step 4: Simplify right side
557,531.44x = 233,036,367,497.24 - Step 5: Solve for x
x = 233,036,367,497.24/557,531.44 - Step 6: Final answer
x = 417,978.88
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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.