Finding the Fourth Proportional to 1,028,740.17, 1,542,546.50 and 318,571.05
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Solution
The fourth proportional to 1,028,740.17, 1,542,546.50 and 318,571.05 is: 477,681.99
Step by Step Solution
- Step 1: Write the proportion equation
1,028,740.17 : 1,542,546.50 = 318,571.05 : x - Step 2: Convert to fraction form
1,028,740.17/1,542,546.50 = 318,571.05/x - Step 3: Cross multiply
1,028,740.17x = 1,542,546.50 × 318,571.05 - Step 4: Simplify right side
1,028,740.17x = 491,410,656,585.97 - Step 5: Solve for x
x = 491,410,656,585.97/1,028,740.17 - Step 6: Final answer
x = 477,681.99
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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.