Finding the Fourth Proportional to 850,873.24, 1,276,378.98 and 311,069.08
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Solution
The fourth proportional to 850,873.24, 1,276,378.98 and 311,069.08 is: 466,628.89
Step by Step Solution
- Step 1: Write the proportion equation
850,873.24 : 1,276,378.98 = 311,069.08 : x - Step 2: Convert to fraction form
850,873.24/1,276,378.98 = 311,069.08/x - Step 3: Cross multiply
850,873.24x = 1,276,378.98 × 311,069.08 - Step 4: Simplify right side
850,873.24x = 397,042,035,039.94 - Step 5: Solve for x
x = 397,042,035,039.94/850,873.24 - Step 6: Final answer
x = 466,628.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.