Finding the Fourth Proportional to 756,334.76, 1,043,742.19 and 412,170.79
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Solution
The fourth proportional to 756,334.76, 1,043,742.19 and 412,170.79 is: 568,795.80
Step by Step Solution
- Step 1: Write the proportion equation
756,334.76 : 1,043,742.19 = 412,170.79 : x - Step 2: Convert to fraction form
756,334.76/1,043,742.19 = 412,170.79/x - Step 3: Cross multiply
756,334.76x = 1,043,742.19 × 412,170.79 - Step 4: Simplify right side
756,334.76x = 430,200,036,759.49 - Step 5: Solve for x
x = 430,200,036,759.49/756,334.76 - Step 6: Final answer
x = 568,795.80
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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.