Finding the Fourth Proportional to 505,692.14, 697,795.71 and 279,324.14
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Solution
The fourth proportional to 505,692.14, 697,795.71 and 279,324.14 is: 385,434.48
Step by Step Solution
- Step 1: Write the proportion equation
505,692.14 : 697,795.71 = 279,324.14 : x - Step 2: Convert to fraction form
505,692.14/697,795.71 = 279,324.14/x - Step 3: Cross multiply
505,692.14x = 697,795.71 × 279,324.14 - Step 4: Simplify right side
505,692.14x = 194,911,186,591.44 - Step 5: Solve for x
x = 194,911,186,591.44/505,692.14 - Step 6: Final answer
x = 385,434.48
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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.