Finding the Fourth Proportional to 755,713.09, 1,135,144.28 and 637,615.09
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Solution
The fourth proportional to 755,713.09, 1,135,144.28 and 637,615.09 is: 957,751.20
Step by Step Solution
- Step 1: Write the proportion equation
755,713.09 : 1,135,144.28 = 637,615.09 : x - Step 2: Convert to fraction form
755,713.09/1,135,144.28 = 637,615.09/x - Step 3: Cross multiply
755,713.09x = 1,135,144.28 × 637,615.09 - Step 4: Simplify right side
755,713.09x = 723,785,122,255.19 - Step 5: Solve for x
x = 723,785,122,255.19/755,713.09 - Step 6: Final answer
x = 957,751.20
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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.