Finding the Fourth Proportional to 1,031,233.12, 1,546,849.68 and 321,318.56
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Solution
The fourth proportional to 1,031,233.12, 1,546,849.68 and 321,318.56 is: 481,977.84
Step by Step Solution
- Step 1: Write the proportion equation
1,031,233.12 : 1,546,849.68 = 321,318.56 : x - Step 2: Convert to fraction form
1,031,233.12/1,546,849.68 = 321,318.56/x - Step 3: Cross multiply
1,031,233.12x = 1,546,849.68 × 321,318.56 - Step 4: Simplify right side
1,031,233.12x = 497,031,511,714.06 - Step 5: Solve for x
x = 497,031,511,714.06/1,031,233.12 - Step 6: Final answer
x = 481,977.84
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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.