Finding the Fourth Proportional to 751,378.24, 1,036,863.48 and 411,780.88
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Solution
The fourth proportional to 751,378.24, 1,036,863.48 and 411,780.88 is: 568,236.52
Step by Step Solution
- Step 1: Write the proportion equation
751,378.24 : 1,036,863.48 = 411,780.88 : x - Step 2: Convert to fraction form
751,378.24/1,036,863.48 = 411,780.88/x - Step 3: Cross multiply
751,378.24x = 1,036,863.48 × 411,780.88 - Step 4: Simplify right side
751,378.24x = 426,960,556,234.26 - Step 5: Solve for x
x = 426,960,556,234.26/751,378.24 - Step 6: Final answer
x = 568,236.52
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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.