Finding the Fourth Proportional to 957,743.52, 1,321,745.61 and 528,022.99
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Solution
The fourth proportional to 957,743.52, 1,321,745.61 and 528,022.99 is: 728,704.56
Step by Step Solution
- Step 1: Write the proportion equation
957,743.52 : 1,321,745.61 = 528,022.99 : x - Step 2: Convert to fraction form
957,743.52/1,321,745.61 = 528,022.99/x - Step 3: Cross multiply
957,743.52x = 1,321,745.61 × 528,022.99 - Step 4: Simplify right side
957,743.52x = 697,912,069,011.57 - Step 5: Solve for x
x = 697,912,069,011.57/957,743.52 - Step 6: Final answer
x = 728,704.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.