Finding the Fourth Proportional to 757,347.91, 1,045,103.69 and 413,163.32
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Solution
The fourth proportional to 757,347.91, 1,045,103.69 and 413,163.32 is: 570,145.50
Step by Step Solution
- Step 1: Write the proportion equation
757,347.91 : 1,045,103.69 = 413,163.32 : x - Step 2: Convert to fraction form
757,347.91/1,045,103.69 = 413,163.32/x - Step 3: Cross multiply
757,347.91x = 1,045,103.69 × 413,163.32 - Step 4: Simplify right side
757,347.91x = 431,798,503,788.00 - Step 5: Solve for x
x = 431,798,503,788.00/757,347.91 - Step 6: Final answer
x = 570,145.50
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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.