Finding the Fourth Proportional to 505,744.19, 697,898.97 and 290,887.84
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Solution
The fourth proportional to 505,744.19, 697,898.97 and 290,887.84 is: 401,409.11
Step by Step Solution
- Step 1: Write the proportion equation
505,744.19 : 697,898.97 = 290,887.84 : x - Step 2: Convert to fraction form
505,744.19/697,898.97 = 290,887.84/x - Step 3: Cross multiply
505,744.19x = 697,898.97 × 290,887.84 - Step 4: Simplify right side
505,744.19x = 203,010,324,793.90 - Step 5: Solve for x
x = 203,010,324,793.90/505,744.19 - Step 6: Final answer
x = 401,409.11
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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.