Finding the Fourth Proportional to 796,420.58, 1,193,999.34 and 417,268.58
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Solution
The fourth proportional to 796,420.58, 1,193,999.34 and 417,268.58 is: 625,571.99
Step by Step Solution
- Step 1: Write the proportion equation
796,420.58 : 1,193,999.34 = 417,268.58 : x - Step 2: Convert to fraction form
796,420.58/1,193,999.34 = 417,268.58/x - Step 3: Cross multiply
796,420.58x = 1,193,999.34 × 417,268.58 - Step 4: Simplify right side
796,420.58x = 498,218,409,122.74 - Step 5: Solve for x
x = 498,218,409,122.74/796,420.58 - Step 6: Final answer
x = 625,571.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.