Finding the Fourth Proportional to 1,028,346.23, 1,542,020.90 and 515,791.19
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Solution
The fourth proportional to 1,028,346.23, 1,542,020.90 and 515,791.19 is: 773,436.78
Step by Step Solution
- Step 1: Write the proportion equation
1,028,346.23 : 1,542,020.90 = 515,791.19 : x - Step 2: Convert to fraction form
1,028,346.23/1,542,020.90 = 515,791.19/x - Step 3: Cross multiply
1,028,346.23x = 1,542,020.90 × 515,791.19 - Step 4: Simplify right side
1,028,346.23x = 795,360,796,291.97 - Step 5: Solve for x
x = 795,360,796,291.97/1,028,346.23 - Step 6: Final answer
x = 773,436.78
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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.