Finding the Fourth Proportional to 672,845.24, 1,007,628.35 and 445,002.05
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Solution
The fourth proportional to 672,845.24, 1,007,628.35 and 445,002.05 is: 666,418.75
Step by Step Solution
- Step 1: Write the proportion equation
672,845.24 : 1,007,628.35 = 445,002.05 : x - Step 2: Convert to fraction form
672,845.24/1,007,628.35 = 445,002.05/x - Step 3: Cross multiply
672,845.24x = 1,007,628.35 × 445,002.05 - Step 4: Simplify right side
672,845.24x = 448,396,681,388.12 - Step 5: Solve for x
x = 448,396,681,388.12/672,845.24 - Step 6: Final answer
x = 666,418.75
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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.