Finding the Fourth Proportional to 957,680.64, 1,436,208.36 and 317,812.49
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Solution
The fourth proportional to 957,680.64, 1,436,208.36 and 317,812.49 is: 476,614.99
Step by Step Solution
- Step 1: Write the proportion equation
957,680.64 : 1,436,208.36 = 317,812.49 : x - Step 2: Convert to fraction form
957,680.64/1,436,208.36 = 317,812.49/x - Step 3: Cross multiply
957,680.64x = 1,436,208.36 × 317,812.49 - Step 4: Simplify right side
957,680.64x = 456,444,947,869.38 - Step 5: Solve for x
x = 456,444,947,869.38/957,680.64 - Step 6: Final answer
x = 476,614.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.