Finding the Fourth Proportional to 799,109.38, 1,102,757.09 and 436,523.92
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Solution
The fourth proportional to 799,109.38, 1,102,757.09 and 436,523.92 is: 602,395.43
Step by Step Solution
- Step 1: Write the proportion equation
799,109.38 : 1,102,757.09 = 436,523.92 : x - Step 2: Convert to fraction form
799,109.38/1,102,757.09 = 436,523.92/x - Step 3: Cross multiply
799,109.38x = 1,102,757.09 × 436,523.92 - Step 4: Simplify right side
799,109.38x = 481,379,842,220.81 - Step 5: Solve for x
x = 481,379,842,220.81/799,109.38 - Step 6: Final answer
x = 602,395.43
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1.5x scale
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.