Finding the Fourth Proportional to 511,409.63, 768,796.15 and 474,416.30
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Solution
The fourth proportional to 511,409.63, 768,796.15 and 474,416.30 is: 713,184.50
Step by Step Solution
- Step 1: Write the proportion equation
511,409.63 : 768,796.15 = 474,416.30 : x - Step 2: Convert to fraction form
511,409.63/768,796.15 = 474,416.30/x - Step 3: Cross multiply
511,409.63x = 768,796.15 × 474,416.30 - Step 4: Simplify right side
511,409.63x = 364,729,419,907.22 - Step 5: Solve for x
x = 364,729,419,907.22/511,409.63 - Step 6: Final answer
x = 713,184.50
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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.