Finding the Fourth Proportional to 538,718.42, 743,409.01 and 293,697.87
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Solution
The fourth proportional to 538,718.42, 743,409.01 and 293,697.87 is: 405,290.85
Step by Step Solution
- Step 1: Write the proportion equation
538,718.42 : 743,409.01 = 293,697.87 : x - Step 2: Convert to fraction form
538,718.42/743,409.01 = 293,697.87/x - Step 3: Cross multiply
538,718.42x = 743,409.01 × 293,697.87 - Step 4: Simplify right side
538,718.42x = 218,337,647,453.69 - Step 5: Solve for x
x = 218,337,647,453.69/538,718.42 - Step 6: Final answer
x = 405,290.85
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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.