Finding the Fourth Proportional to 505,874.88, 698,432.85 and 324,664.92
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Solution
The fourth proportional to 505,874.88, 698,432.85 and 324,664.92 is: 448,246.50
Step by Step Solution
- Step 1: Write the proportion equation
505,874.88 : 698,432.85 = 324,664.92 : x - Step 2: Convert to fraction form
505,874.88/698,432.85 = 324,664.92/x - Step 3: Cross multiply
505,874.88x = 698,432.85 × 324,664.92 - Step 4: Simplify right side
505,874.88x = 226,756,645,370.62 - Step 5: Solve for x
x = 226,756,645,370.62/505,874.88 - Step 6: Final answer
x = 448,246.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.