Finding the Fourth Proportional to 904,788.44, 1,355,115.08 and 431,806.04
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Solution
The fourth proportional to 904,788.44, 1,355,115.08 and 431,806.04 is: 646,722.32
Step by Step Solution
- Step 1: Write the proportion equation
904,788.44 : 1,355,115.08 = 431,806.04 : x - Step 2: Convert to fraction form
904,788.44/1,355,115.08 = 431,806.04/x - Step 3: Cross multiply
904,788.44x = 1,355,115.08 × 431,806.04 - Step 4: Simplify right side
904,788.44x = 585,146,876,439.08 - Step 5: Solve for x
x = 585,146,876,439.08/904,788.44 - Step 6: Final answer
x = 646,722.32
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1.5x scale
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.