Finding the Fourth Proportional to 882,315.75, 1,323,473.76 and 217,467.75
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Solution
The fourth proportional to 882,315.75, 1,323,473.76 and 217,467.75 is: 326,201.66
Step by Step Solution
- Step 1: Write the proportion equation
882,315.75 : 1,323,473.76 = 217,467.75 : x - Step 2: Convert to fraction form
882,315.75/1,323,473.76 = 217,467.75/x - Step 3: Cross multiply
882,315.75x = 1,323,473.76 × 217,467.75 - Step 4: Simplify right side
882,315.75x = 287,812,860,771.24 - Step 5: Solve for x
x = 287,812,860,771.24/882,315.75 - Step 6: Final answer
x = 326,201.66
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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.