Finding the Fourth Proportional to 854.44, 1,179.04 and 575
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Solution
The fourth proportional to 854.44, 1,179.04 and 575 is: 793.44
Step by Step Solution
- Step 1: Write the proportion equation
854.44 : 1,179.04 = 575 : x - Step 2: Convert to fraction form
854.44/1,179.04 = 575/x - Step 3: Cross multiply
854.44x = 1,179.04 × 575 - Step 4: Simplify right side
854.44x = 677,948 - Step 5: Solve for x
x = 677,948/854.44 - Step 6: Final answer
x = 793.44
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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.