Finding the Fourth Proportional to 505,399.69, 697,454.97 and 275,958.58
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Solution
The fourth proportional to 505,399.69, 697,454.97 and 275,958.58 is: 380,824.70
Step by Step Solution
- Step 1: Write the proportion equation
505,399.69 : 697,454.97 = 275,958.58 : x - Step 2: Convert to fraction form
505,399.69/697,454.97 = 275,958.58/x - Step 3: Cross multiply
505,399.69x = 697,454.97 × 275,958.58 - Step 4: Simplify right side
505,399.69x = 192,468,683,135.14 - Step 5: Solve for x
x = 192,468,683,135.14/505,399.69 - Step 6: Final answer
x = 380,824.70
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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.