Finding the Fourth Proportional to 957,757.15, 1,321,764.24 and 528,036.49
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Solution
The fourth proportional to 957,757.15, 1,321,764.24 and 528,036.49 is: 728,723.09
Step by Step Solution
- Step 1: Write the proportion equation
957,757.15 : 1,321,764.24 = 528,036.49 : x - Step 2: Convert to fraction form
957,757.15/1,321,764.24 = 528,036.49/x - Step 3: Cross multiply
957,757.15x = 1,321,764.24 × 528,036.49 - Step 4: Simplify right side
957,757.15x = 697,939,749,897.12 - Step 5: Solve for x
x = 697,939,749,897.12/957,757.15 - Step 6: Final answer
x = 728,723.09
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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.