Finding the Fourth Proportional to 756,365.95, 1,043,785.17 and 412,201.96
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Solution
The fourth proportional to 756,365.95, 1,043,785.17 and 412,201.96 is: 568,838.79
Step by Step Solution
- Step 1: Write the proportion equation
756,365.95 : 1,043,785.17 = 412,201.96 : x - Step 2: Convert to fraction form
756,365.95/1,043,785.17 = 412,201.96/x - Step 3: Cross multiply
756,365.95x = 1,043,785.17 × 412,201.96 - Step 4: Simplify right side
756,365.95x = 430,250,287,674.01 - Step 5: Solve for x
x = 430,250,287,674.01/756,365.95 - Step 6: Final answer
x = 568,838.79
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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.