Finding the Fourth Proportional to 511,847.98, 706,576.74 and 330,648.28
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Solution
The fourth proportional to 511,847.98, 706,576.74 and 330,648.28 is: 456,440.96
Step by Step Solution
- Step 1: Write the proportion equation
511,847.98 : 706,576.74 = 330,648.28 : x - Step 2: Convert to fraction form
511,847.98/706,576.74 = 330,648.28/x - Step 3: Cross multiply
511,847.98x = 706,576.74 × 330,648.28 - Step 4: Simplify right side
511,847.98x = 233,628,383,769.01 - Step 5: Solve for x
x = 233,628,383,769.01/511,847.98 - Step 6: Final answer
x = 456,440.96
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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.