Finding the Fourth Proportional to 774,528.84, 1,162,247.97 and 325,215.15
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Solution
The fourth proportional to 774,528.84, 1,162,247.97 and 325,215.15 is: 488,013.65
Step by Step Solution
- Step 1: Write the proportion equation
774,528.84 : 1,162,247.97 = 325,215.15 : x - Step 2: Convert to fraction form
774,528.84/1,162,247.97 = 325,215.15/x - Step 3: Cross multiply
774,528.84x = 1,162,247.97 × 325,215.15 - Step 4: Simplify right side
774,528.84x = 377,980,647,900.75 - Step 5: Solve for x
x = 377,980,647,900.75/774,528.84 - Step 6: Final answer
x = 488,013.65
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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.