Finding the Fourth Proportional to 932,758.02, 1,399,121.37 and 420,138.09
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Solution
The fourth proportional to 932,758.02, 1,399,121.37 and 420,138.09 is: 630,200.08
Step by Step Solution
- Step 1: Write the proportion equation
932,758.02 : 1,399,121.37 = 420,138.09 : x - Step 2: Convert to fraction form
932,758.02/1,399,121.37 = 420,138.09/x - Step 3: Cross multiply
932,758.02x = 1,399,121.37 × 420,138.09 - Step 4: Simplify right side
932,758.02x = 587,824,180,069.98 - Step 5: Solve for x
x = 587,824,180,069.98/932,758.02 - Step 6: Final answer
x = 630,200.08
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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.