Finding the Fourth Proportional to 890,578.08, 1,336,005.36 and 299,556
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Solution
The fourth proportional to 890,578.08, 1,336,005.36 and 299,556 is: 449,380.50
Step by Step Solution
- Step 1: Write the proportion equation
890,578.08 : 1,336,005.36 = 299,556 : x - Step 2: Convert to fraction form
890,578.08/1,336,005.36 = 299,556/x - Step 3: Cross multiply
890,578.08x = 1,336,005.36 × 299,556 - Step 4: Simplify right side
890,578.08x = 400,208,421,620.16 - Step 5: Solve for x
x = 400,208,421,620.16/890,578.08 - Step 6: Final answer
x = 449,380.50
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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.