Finding the Fourth Proportional to 843,850.36, 1,164,679.48 and 639,544.92
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Solution
The fourth proportional to 843,850.36, 1,164,679.48 and 639,544.92 is: 882,697.79
Step by Step Solution
- Step 1: Write the proportion equation
843,850.36 : 1,164,679.48 = 639,544.92 : x - Step 2: Convert to fraction form
843,850.36/1,164,679.48 = 639,544.92/x - Step 3: Cross multiply
843,850.36x = 1,164,679.48 × 639,544.92 - Step 4: Simplify right side
843,850.36x = 744,864,843,092.85 - Step 5: Solve for x
x = 744,864,843,092.85/843,850.36 - Step 6: Final answer
x = 882,697.79
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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.