Finding the Fourth Proportional to 513,743.20, 770,614.80 and 264,911.20
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Solution
The fourth proportional to 513,743.20, 770,614.80 and 264,911.20 is: 397,366.80
Step by Step Solution
- Step 1: Write the proportion equation
513,743.20 : 770,614.80 = 264,911.20 : x - Step 2: Convert to fraction form
513,743.20/770,614.80 = 264,911.20/x - Step 3: Cross multiply
513,743.20x = 770,614.80 × 264,911.20 - Step 4: Simplify right side
513,743.20x = 204,144,491,405.76 - Step 5: Solve for x
x = 204,144,491,405.76/513,743.20 - Step 6: Final answer
x = 397,366.80
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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.