Finding the Fourth Proportional to 755,257.59, 1,042,277.62 and 411,115.96
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Solution
The fourth proportional to 755,257.59, 1,042,277.62 and 411,115.96 is: 567,352.09
Step by Step Solution
- Step 1: Write the proportion equation
755,257.59 : 1,042,277.62 = 411,115.96 : x - Step 2: Convert to fraction form
755,257.59/1,042,277.62 = 411,115.96/x - Step 3: Cross multiply
755,257.59x = 1,042,277.62 × 411,115.96 - Step 4: Simplify right side
755,257.59x = 428,496,969,466.38 - Step 5: Solve for x
x = 428,496,969,466.38/755,257.59 - Step 6: Final answer
x = 567,352.09
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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.