Finding the Fourth Proportional to 505,809.14, 758,059.64 and 378,450.14
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Solution
The fourth proportional to 505,809.14, 758,059.64 and 378,450.14 is: 567,185.83
Step by Step Solution
- Step 1: Write the proportion equation
505,809.14 : 758,059.64 = 378,450.14 : x - Step 2: Convert to fraction form
505,809.14/758,059.64 = 378,450.14/x - Step 3: Cross multiply
505,809.14x = 758,059.64 × 378,450.14 - Step 4: Simplify right side
505,809.14x = 286,887,774,994.10 - Step 5: Solve for x
x = 286,887,774,994.10/505,809.14 - Step 6: Final answer
x = 567,185.83
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1.5x scale
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.