Finding the Fourth Proportional to 775,478.76, 1,163,273.50 and 206,856.68
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Solution
The fourth proportional to 775,478.76, 1,163,273.50 and 206,856.68 is: 310,299.79
Step by Step Solution
- Step 1: Write the proportion equation
775,478.76 : 1,163,273.50 = 206,856.68 : x - Step 2: Convert to fraction form
775,478.76/1,163,273.50 = 206,856.68/x - Step 3: Cross multiply
775,478.76x = 1,163,273.50 × 206,856.68 - Step 4: Simplify right side
775,478.76x = 240,630,894,141.98 - Step 5: Solve for x
x = 240,630,894,141.98/775,478.76 - Step 6: Final answer
x = 310,299.79
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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.