Finding the Fourth Proportional to 1,008,199.56, 1,512,448.69 and 324,857.44
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Solution
The fourth proportional to 1,008,199.56, 1,512,448.69 and 324,857.44 is: 487,334.28
Step by Step Solution
- Step 1: Write the proportion equation
1,008,199.56 : 1,512,448.69 = 324,857.44 : x - Step 2: Convert to fraction form
1,008,199.56/1,512,448.69 = 324,857.44/x - Step 3: Cross multiply
1,008,199.56x = 1,512,448.69 × 324,857.44 - Step 4: Simplify right side
1,008,199.56x = 491,330,209,564.75 - Step 5: Solve for x
x = 491,330,209,564.75/1,008,199.56 - Step 6: Final answer
x = 487,334.28
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1.5x scale
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.