Finding the Fourth Proportional to 919,736.37, 1,268,150.58 and 629,487.99
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Solution
The fourth proportional to 919,736.37, 1,268,150.58 and 629,487.99 is: 867,950.41
Step by Step Solution
- Step 1: Write the proportion equation
919,736.37 : 1,268,150.58 = 629,487.99 : x - Step 2: Convert to fraction form
919,736.37/1,268,150.58 = 629,487.99/x - Step 3: Cross multiply
919,736.37x = 1,268,150.58 × 629,487.99 - Step 4: Simplify right side
919,736.37x = 798,285,559,621.53 - Step 5: Solve for x
x = 798,285,559,621.53/919,736.37 - Step 6: Final answer
x = 867,950.41
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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.