Finding the Fourth Proportional to 957,868.56, 1,321,918.11 and 528,147.99
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Solution
The fourth proportional to 957,868.56, 1,321,918.11 and 528,147.99 is: 728,877.03
Step by Step Solution
- Step 1: Write the proportion equation
957,868.56 : 1,321,918.11 = 528,147.99 : x - Step 2: Convert to fraction form
957,868.56/1,321,918.11 = 528,147.99/x - Step 3: Cross multiply
957,868.56x = 1,321,918.11 × 528,147.99 - Step 4: Simplify right side
957,868.56x = 698,168,392,741.10 - Step 5: Solve for x
x = 698,168,392,741.10/957,868.56 - Step 6: Final answer
x = 728,877.03
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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.