Finding the Fourth Proportional to 892,751.70, 1,339,138.44 and 261,678.18
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Solution
The fourth proportional to 892,751.70, 1,339,138.44 and 261,678.18 is: 392,520.46
Step by Step Solution
- Step 1: Write the proportion equation
892,751.70 : 1,339,138.44 = 261,678.18 : x - Step 2: Convert to fraction form
892,751.70/1,339,138.44 = 261,678.18/x - Step 3: Cross multiply
892,751.70x = 1,339,138.44 × 261,678.18 - Step 4: Simplify right side
892,751.70x = 350,423,309,747.24 - Step 5: Solve for x
x = 350,423,309,747.24/892,751.70 - Step 6: Final answer
x = 392,520.46
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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.