Finding the Fourth Proportional to 889,240.20, 1,334,735.10 and 440,467.80
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Solution
The fourth proportional to 889,240.20, 1,334,735.10 and 440,467.80 is: 661,135.02
Step by Step Solution
- Step 1: Write the proportion equation
889,240.20 : 1,334,735.10 = 440,467.80 : x - Step 2: Convert to fraction form
889,240.20/1,334,735.10 = 440,467.80/x - Step 3: Cross multiply
889,240.20x = 1,334,735.10 × 440,467.80 - Step 4: Simplify right side
889,240.20x = 587,907,833,079.78 - Step 5: Solve for x
x = 587,907,833,079.78/889,240.20 - Step 6: Final answer
x = 661,135.02
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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.