Finding the Fourth Proportional to 790,447.28, 1,185,575.06 and 221,874.09
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Solution
The fourth proportional to 790,447.28, 1,185,575.06 and 221,874.09 is: 332,784.23
Step by Step Solution
- Step 1: Write the proportion equation
790,447.28 : 1,185,575.06 = 221,874.09 : x - Step 2: Convert to fraction form
790,447.28/1,185,575.06 = 221,874.09/x - Step 3: Cross multiply
790,447.28x = 1,185,575.06 × 221,874.09 - Step 4: Simplify right side
790,447.28x = 263,048,391,175.44 - Step 5: Solve for x
x = 263,048,391,175.44/790,447.28 - Step 6: Final answer
x = 332,784.23
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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.