Finding the Fourth Proportional to 511,742.98, 766,352.98 and 321,731.96
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Solution
The fourth proportional to 511,742.98, 766,352.98 and 321,731.96 is: 481,804.84
Step by Step Solution
- Step 1: Write the proportion equation
511,742.98 : 766,352.98 = 321,731.96 : x - Step 2: Convert to fraction form
511,742.98/766,352.98 = 321,731.96/x - Step 3: Cross multiply
511,742.98x = 766,352.98 × 321,731.96 - Step 4: Simplify right side
511,742.98x = 246,560,246,307.24 - Step 5: Solve for x
x = 246,560,246,307.24/511,742.98 - Step 6: Final answer
x = 481,804.84
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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.