Finding the Fourth Proportional to 771,158.24, 1,064,198.07 and 431,626.49
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Solution
The fourth proportional to 771,158.24, 1,064,198.07 and 431,626.49 is: 595,644.38
Step by Step Solution
- Step 1: Write the proportion equation
771,158.24 : 1,064,198.07 = 431,626.49 : x - Step 2: Convert to fraction form
771,158.24/1,064,198.07 = 431,626.49/x - Step 3: Cross multiply
771,158.24x = 1,064,198.07 × 431,626.49 - Step 4: Simplify right side
771,158.24x = 459,336,072,297.88 - Step 5: Solve for x
x = 459,336,072,297.88/771,158.24 - Step 6: Final answer
x = 595,644.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.