Finding the Fourth Proportional to 755,078.24, 1,042,212.67 and 445,251.41
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Solution
The fourth proportional to 755,078.24, 1,042,212.67 and 445,251.41 is: 614,567.65
Step by Step Solution
- Step 1: Write the proportion equation
755,078.24 : 1,042,212.67 = 445,251.41 : x - Step 2: Convert to fraction form
755,078.24/1,042,212.67 = 445,251.41/x - Step 3: Cross multiply
755,078.24x = 1,042,212.67 × 445,251.41 - Step 4: Simplify right side
755,078.24x = 464,046,660,837.37 - Step 5: Solve for x
x = 464,046,660,837.37/755,078.24 - Step 6: Final answer
x = 614,567.65
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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.