Finding the Fourth Proportional to 513,668.80, 770,504.28 and 277,122.88
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Solution
The fourth proportional to 513,668.80, 770,504.28 and 277,122.88 is: 415,684.90
Step by Step Solution
- Step 1: Write the proportion equation
513,668.80 : 770,504.28 = 277,122.88 : x - Step 2: Convert to fraction form
513,668.80/770,504.28 = 277,122.88/x - Step 3: Cross multiply
513,668.80x = 770,504.28 × 277,122.88 - Step 4: Simplify right side
513,668.80x = 213,524,365,125.93 - Step 5: Solve for x
x = 213,524,365,125.93/513,668.80 - Step 6: Final answer
x = 415,684.90
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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.