Finding the Fourth Proportional to 574,847.19, 793,313.60 and 320,198.49
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Solution
The fourth proportional to 574,847.19, 793,313.60 and 320,198.49 is: 441,887.55
Step by Step Solution
- Step 1: Write the proportion equation
574,847.19 : 793,313.60 = 320,198.49 : x - Step 2: Convert to fraction form
574,847.19/793,313.60 = 320,198.49/x - Step 3: Cross multiply
574,847.19x = 793,313.60 × 320,198.49 - Step 4: Simplify right side
574,847.19x = 254,017,815,215.47 - Step 5: Solve for x
x = 254,017,815,215.47/574,847.19 - Step 6: Final answer
x = 441,887.55
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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.