Finding the Fourth Proportional to 1,028,243.88, 1,542,431.16 and 318,212.28
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Solution
The fourth proportional to 1,028,243.88, 1,542,431.16 and 318,212.28 is: 477,338.64
Step by Step Solution
- Step 1: Write the proportion equation
1,028,243.88 : 1,542,431.16 = 318,212.28 : x - Step 2: Convert to fraction form
1,028,243.88/1,542,431.16 = 318,212.28/x - Step 3: Cross multiply
1,028,243.88x = 1,542,431.16 × 318,212.28 - Step 4: Simplify right side
1,028,243.88x = 490,820,536,166.65 - Step 5: Solve for x
x = 490,820,536,166.65/1,028,243.88 - Step 6: Final answer
x = 477,338.64
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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.