Finding the Fourth Proportional to 929,860.44, 1,394,790.66 and 299,217.12
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Solution
The fourth proportional to 929,860.44, 1,394,790.66 and 299,217.12 is: 448,825.68
Step by Step Solution
- Step 1: Write the proportion equation
929,860.44 : 1,394,790.66 = 299,217.12 : x - Step 2: Convert to fraction form
929,860.44/1,394,790.66 = 299,217.12/x - Step 3: Cross multiply
929,860.44x = 1,394,790.66 × 299,217.12 - Step 4: Simplify right side
929,860.44x = 417,345,244,288.10 - Step 5: Solve for x
x = 417,345,244,288.10/929,860.44 - Step 6: Final answer
x = 448,825.68
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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.