Finding the Fourth Proportional to 957,678.38, 1,436,204.99 and 317,810.23
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Solution
The fourth proportional to 957,678.38, 1,436,204.99 and 317,810.23 is: 476,611.61
Step by Step Solution
- Step 1: Write the proportion equation
957,678.38 : 1,436,204.99 = 317,810.23 : x - Step 2: Convert to fraction form
957,678.38/1,436,204.99 = 317,810.23/x - Step 3: Cross multiply
957,678.38x = 1,436,204.99 × 317,810.23 - Step 4: Simplify right side
957,678.38x = 456,440,633,019.48 - Step 5: Solve for x
x = 456,440,633,019.48/957,678.38 - Step 6: Final answer
x = 476,611.61
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1.5x scale
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.