Finding the Fourth Proportional to 802,629.12, 1,107,640.64 and 440,086.08
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Solution
The fourth proportional to 802,629.12, 1,107,640.64 and 440,086.08 is: 607,325.62
Step by Step Solution
- Step 1: Write the proportion equation
802,629.12 : 1,107,640.64 = 440,086.08 : x - Step 2: Convert to fraction form
802,629.12/1,107,640.64 = 440,086.08/x - Step 3: Cross multiply
802,629.12x = 1,107,640.64 × 440,086.08 - Step 4: Simplify right side
802,629.12x = 487,457,227,306.29 - Step 5: Solve for x
x = 487,457,227,306.29/802,629.12 - Step 6: Final answer
x = 607,325.62
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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.