Finding the Fourth Proportional to 505,396.94, 697,452.99 and 279,041.90
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Solution
The fourth proportional to 505,396.94, 697,452.99 and 279,041.90 is: 385,080.70
Step by Step Solution
- Step 1: Write the proportion equation
505,396.94 : 697,452.99 = 279,041.90 : x - Step 2: Convert to fraction form
505,396.94/697,452.99 = 279,041.90/x - Step 3: Cross multiply
505,396.94x = 697,452.99 × 279,041.90 - Step 4: Simplify right side
505,396.94x = 194,618,607,490.28 - Step 5: Solve for x
x = 194,618,607,490.28/505,396.94 - Step 6: Final answer
x = 385,080.70
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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.