Finding the Fourth Proportional to 1,028,603.54, 1,542,782.43 and 270,504.09
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Solution
The fourth proportional to 1,028,603.54, 1,542,782.43 and 270,504.09 is: 405,723.82
Step by Step Solution
- Step 1: Write the proportion equation
1,028,603.54 : 1,542,782.43 = 270,504.09 : x - Step 2: Convert to fraction form
1,028,603.54/1,542,782.43 = 270,504.09/x - Step 3: Cross multiply
1,028,603.54x = 1,542,782.43 × 270,504.09 - Step 4: Simplify right side
1,028,603.54x = 417,328,957,295.14 - Step 5: Solve for x
x = 417,328,957,295.14/1,028,603.54 - Step 6: Final answer
x = 405,723.82
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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.