Finding the Fourth Proportional to 737,719.20, 1,107,615.60 and 580,125.60
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Solution
The fourth proportional to 737,719.20, 1,107,615.60 and 580,125.60 is: 871,003.72
Step by Step Solution
- Step 1: Write the proportion equation
737,719.20 : 1,107,615.60 = 580,125.60 : x - Step 2: Convert to fraction form
737,719.20/1,107,615.60 = 580,125.60/x - Step 3: Cross multiply
737,719.20x = 1,107,615.60 × 580,125.60 - Step 4: Simplify right side
737,719.20x = 642,556,164,519.36 - Step 5: Solve for x
x = 642,556,164,519.36/737,719.20 - Step 6: Final answer
x = 871,003.72
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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.