Finding the Fourth Proportional to 972,846.97, 1,342,529.99 and 543,126.85
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Solution
The fourth proportional to 972,846.97, 1,342,529.99 and 543,126.85 is: 749,515.70
Step by Step Solution
- Step 1: Write the proportion equation
972,846.97 : 1,342,529.99 = 543,126.85 : x - Step 2: Convert to fraction form
972,846.97/1,342,529.99 = 543,126.85/x - Step 3: Cross multiply
972,846.97x = 1,342,529.99 × 543,126.85 - Step 4: Simplify right side
972,846.97x = 729,164,081,783.60 - Step 5: Solve for x
x = 729,164,081,783.60/972,846.97 - Step 6: Final answer
x = 749,515.70
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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.