Finding the Fourth Proportional to 777,597.42, 1,165,956.68 and 321,930.96
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Solution
The fourth proportional to 777,597.42, 1,165,956.68 and 321,930.96 is: 482,714.50
Step by Step Solution
- Step 1: Write the proportion equation
777,597.42 : 1,165,956.68 = 321,930.96 : x - Step 2: Convert to fraction form
777,597.42/1,165,956.68 = 321,930.96/x - Step 3: Cross multiply
777,597.42x = 1,165,956.68 × 321,930.96 - Step 4: Simplify right side
777,597.42x = 375,357,547,932.44 - Step 5: Solve for x
x = 375,357,547,932.44/777,597.42 - Step 6: Final answer
x = 482,714.50
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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.