Finding the Fourth Proportional to 931,422.92, 1,396,139.70 and 531,201.92
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Solution
The fourth proportional to 931,422.92, 1,396,139.70 and 531,201.92 is: 796,235.60
Step by Step Solution
- Step 1: Write the proportion equation
931,422.92 : 1,396,139.70 = 531,201.92 : x - Step 2: Convert to fraction form
931,422.92/1,396,139.70 = 531,201.92/x - Step 3: Cross multiply
931,422.92x = 1,396,139.70 × 531,201.92 - Step 4: Simplify right side
931,422.92x = 741,632,089,228.22 - Step 5: Solve for x
x = 741,632,089,228.22/931,422.92 - Step 6: Final answer
x = 796,235.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.