Finding the Fourth Proportional to 645,190.24, 967,068.24 and 486,905.44
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Solution
The fourth proportional to 645,190.24, 967,068.24 and 486,905.44 is: 729,816.97
Step by Step Solution
- Step 1: Write the proportion equation
645,190.24 : 967,068.24 = 486,905.44 : x - Step 2: Convert to fraction form
645,190.24/967,068.24 = 486,905.44/x - Step 3: Cross multiply
645,190.24x = 967,068.24 × 486,905.44 - Step 4: Simplify right side
645,190.24x = 470,870,786,907.23 - Step 5: Solve for x
x = 470,870,786,907.23/645,190.24 - Step 6: Final answer
x = 729,816.97
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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.