Finding the Fourth Proportional to 701,358.24, 1,052,302.32 and 421,070.88
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Solution
The fourth proportional to 701,358.24, 1,052,302.32 and 421,070.88 is: 631,765.39
Step by Step Solution
- Step 1: Write the proportion equation
701,358.24 : 1,052,302.32 = 421,070.88 : x - Step 2: Convert to fraction form
701,358.24/1,052,302.32 = 421,070.88/x - Step 3: Cross multiply
701,358.24x = 1,052,302.32 × 421,070.88 - Step 4: Simplify right side
701,358.24x = 443,093,863,908.44 - Step 5: Solve for x
x = 443,093,863,908.44/701,358.24 - Step 6: Final answer
x = 631,765.39
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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.