Finding the Fourth Proportional to 646,169.70, 969,852.99 and 326,546.44
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Solution
The fourth proportional to 646,169.70, 969,852.99 and 326,546.44 is: 490,122.08
Step by Step Solution
- Step 1: Write the proportion equation
646,169.70 : 969,852.99 = 326,546.44 : x - Step 2: Convert to fraction form
646,169.70/969,852.99 = 326,546.44/x - Step 3: Cross multiply
646,169.70x = 969,852.99 × 326,546.44 - Step 4: Simplify right side
646,169.70x = 316,702,040,007.77 - Step 5: Solve for x
x = 316,702,040,007.77/646,169.70 - Step 6: Final answer
x = 490,122.08
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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.