Finding the Fourth Proportional to 957,337.36, 1,321,102.80 and 521,768.47
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Solution
The fourth proportional to 957,337.36, 1,321,102.80 and 521,768.47 is: 720,028.08
Step by Step Solution
- Step 1: Write the proportion equation
957,337.36 : 1,321,102.80 = 521,768.47 : x - Step 2: Convert to fraction form
957,337.36/1,321,102.80 = 521,768.47/x - Step 3: Cross multiply
957,337.36x = 1,321,102.80 × 521,768.47 - Step 4: Simplify right side
957,337.36x = 689,309,780,063.20 - Step 5: Solve for x
x = 689,309,780,063.20/957,337.36 - Step 6: Final answer
x = 720,028.08
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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.