Finding the Fourth Proportional to 513,743.70, 770,615.55 and 264,911.70
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Solution
The fourth proportional to 513,743.70, 770,615.55 and 264,911.70 is: 397,367.55
Step by Step Solution
- Step 1: Write the proportion equation
513,743.70 : 770,615.55 = 264,911.70 : x - Step 2: Convert to fraction form
513,743.70/770,615.55 = 264,911.70/x - Step 3: Cross multiply
513,743.70x = 770,615.55 × 264,911.70 - Step 4: Simplify right side
513,743.70x = 204,145,075,396.94 - Step 5: Solve for x
x = 204,145,075,396.94/513,743.70 - Step 6: Final answer
x = 397,367.55
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Similar ratio
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1.5x scale
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.