Finding the Fourth Proportional to 556,771.78, 768,347.17 and 302,122.97
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Solution
The fourth proportional to 556,771.78, 768,347.17 and 302,122.97 is: 416,930.84
Step by Step Solution
- Step 1: Write the proportion equation
556,771.78 : 768,347.17 = 302,122.97 : x - Step 2: Convert to fraction form
556,771.78/768,347.17 = 302,122.97/x - Step 3: Cross multiply
556,771.78x = 768,347.17 × 302,122.97 - Step 4: Simplify right side
556,771.78x = 232,135,327,480.88 - Step 5: Solve for x
x = 232,135,327,480.88/556,771.78 - Step 6: Final answer
x = 416,930.84
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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.