Finding the Fourth Proportional to 667,591.44, 921,313.08 and 381,203.52
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Solution
The fourth proportional to 667,591.44, 921,313.08 and 381,203.52 is: 526,081.92
Step by Step Solution
- Step 1: Write the proportion equation
667,591.44 : 921,313.08 = 381,203.52 : x - Step 2: Convert to fraction form
667,591.44/921,313.08 = 381,203.52/x - Step 3: Cross multiply
667,591.44x = 921,313.08 × 381,203.52 - Step 4: Simplify right side
667,591.44x = 351,207,789,118.04 - Step 5: Solve for x
x = 351,207,789,118.04/667,591.44 - Step 6: Final answer
x = 526,081.92
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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.