Finding the Fourth Proportional to 1,028,747.44, 1,542,557.36 and 318,578.32
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Solution
The fourth proportional to 1,028,747.44, 1,542,557.36 and 318,578.32 is: 477,692.88
Step by Step Solution
- Step 1: Write the proportion equation
1,028,747.44 : 1,542,557.36 = 318,578.32 : x - Step 2: Convert to fraction form
1,028,747.44/1,542,557.36 = 318,578.32/x - Step 3: Cross multiply
1,028,747.44x = 1,542,557.36 × 318,578.32 - Step 4: Simplify right side
1,028,747.44x = 491,425,332,252.44 - Step 5: Solve for x
x = 491,425,332,252.44/1,028,747.44 - Step 6: Final answer
x = 477,692.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.