Finding the Fourth Proportional to 543,614.76, 750,563.67 and 339,757.31
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Solution
The fourth proportional to 543,614.76, 750,563.67 and 339,757.31 is: 469,099.65
Step by Step Solution
- Step 1: Write the proportion equation
543,614.76 : 750,563.67 = 339,757.31 : x - Step 2: Convert to fraction form
543,614.76/750,563.67 = 339,757.31/x - Step 3: Cross multiply
543,614.76x = 750,563.67 × 339,757.31 - Step 4: Simplify right side
543,614.76x = 255,009,492,631.33 - Step 5: Solve for x
x = 255,009,492,631.33/543,614.76 - Step 6: Final answer
x = 469,099.65
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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.