Finding the Fourth Proportional to 756,450.54, 1,134,774.18 and 276,603.62
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Solution
The fourth proportional to 756,450.54, 1,134,774.18 and 276,603.62 is: 414,941.39
Step by Step Solution
- Step 1: Write the proportion equation
756,450.54 : 1,134,774.18 = 276,603.62 : x - Step 2: Convert to fraction form
756,450.54/1,134,774.18 = 276,603.62/x - Step 3: Cross multiply
756,450.54x = 1,134,774.18 × 276,603.62 - Step 4: Simplify right side
756,450.54x = 313,882,640,396.66 - Step 5: Solve for x
x = 313,882,640,396.66/756,450.54 - Step 6: Final answer
x = 414,941.39
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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.