Finding the Fourth Proportional to 979,794.36, 1,469,762.82 and 410,604.12
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Solution
The fourth proportional to 979,794.36, 1,469,762.82 and 410,604.12 is: 615,936.05
Step by Step Solution
- Step 1: Write the proportion equation
979,794.36 : 1,469,762.82 = 410,604.12 : x - Step 2: Convert to fraction form
979,794.36/1,469,762.82 = 410,604.12/x - Step 3: Cross multiply
979,794.36x = 1,469,762.82 × 410,604.12 - Step 4: Simplify right side
979,794.36x = 603,490,669,314.82 - Step 5: Solve for x
x = 603,490,669,314.82/979,794.36 - Step 6: Final answer
x = 615,936.05
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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.