Finding the Fourth Proportional to 791,257.83, 1,091,871.26 and 464,536.44
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Solution
The fourth proportional to 791,257.83, 1,091,871.26 and 464,536.44 is: 641,022.39
Step by Step Solution
- Step 1: Write the proportion equation
791,257.83 : 1,091,871.26 = 464,536.44 : x - Step 2: Convert to fraction form
791,257.83/1,091,871.26 = 464,536.44/x - Step 3: Cross multiply
791,257.83x = 1,091,871.26 × 464,536.44 - Step 4: Simplify right side
791,257.83x = 507,213,985,736.03 - Step 5: Solve for x
x = 507,213,985,736.03/791,257.83 - Step 6: Final answer
x = 641,022.39
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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.