Finding the Fourth Proportional to 826,215.26, 1,239,447.72 and 293,609.68
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Solution
The fourth proportional to 826,215.26, 1,239,447.72 and 293,609.68 is: 440,458.88
Step by Step Solution
- Step 1: Write the proportion equation
826,215.26 : 1,239,447.72 = 293,609.68 : x - Step 2: Convert to fraction form
826,215.26/1,239,447.72 = 293,609.68/x - Step 3: Cross multiply
826,215.26x = 1,239,447.72 × 293,609.68 - Step 4: Simplify right side
826,215.26x = 363,913,846,448.35 - Step 5: Solve for x
x = 363,913,846,448.35/826,215.26 - Step 6: Final answer
x = 440,458.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.