Finding the Fourth Proportional to 431,209.44, 590,759.06 and 415,048.11
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Solution
The fourth proportional to 431,209.44, 590,759.06 and 415,048.11 is: 568,617.95
Step by Step Solution
- Step 1: Write the proportion equation
431,209.44 : 590,759.06 = 415,048.11 : x - Step 2: Convert to fraction form
431,209.44/590,759.06 = 415,048.11/x - Step 3: Cross multiply
431,209.44x = 590,759.06 × 415,048.11 - Step 4: Simplify right side
431,209.44x = 245,193,429,243.14 - Step 5: Solve for x
x = 245,193,429,243.14/431,209.44 - Step 6: Final answer
x = 568,617.95
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.