Finding the Fourth Proportional to 698,744.26, 964,214.04 and 392,771.98
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Solution
The fourth proportional to 698,744.26, 964,214.04 and 392,771.98 is: 541,995.52
Step by Step Solution
- Step 1: Write the proportion equation
698,744.26 : 964,214.04 = 392,771.98 : x - Step 2: Convert to fraction form
698,744.26/964,214.04 = 392,771.98/x - Step 3: Cross multiply
698,744.26x = 964,214.04 × 392,771.98 - Step 4: Simplify right side
698,744.26x = 378,716,257,634.60 - Step 5: Solve for x
x = 378,716,257,634.60/698,744.26 - Step 6: Final answer
x = 541,995.52
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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.