Finding the Fourth Proportional to 557,115.52, 768,817.26 and 302,466.64
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Solution
The fourth proportional to 557,115.52, 768,817.26 and 302,466.64 is: 417,402.79
Step by Step Solution
- Step 1: Write the proportion equation
557,115.52 : 768,817.26 = 302,466.64 : x - Step 2: Convert to fraction form
557,115.52/768,817.26 = 302,466.64/x - Step 3: Cross multiply
557,115.52x = 768,817.26 × 302,466.64 - Step 4: Simplify right side
557,115.52x = 232,541,573,406.21 - Step 5: Solve for x
x = 232,541,573,406.21/557,115.52 - Step 6: Final answer
x = 417,402.79
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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.