Finding the Fourth Proportional to 553,660.70, 830,491.05 and 543,163.10
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Solution
The fourth proportional to 553,660.70, 830,491.05 and 543,163.10 is: 814,744.65
Step by Step Solution
- Step 1: Write the proportion equation
553,660.70 : 830,491.05 = 543,163.10 : x - Step 2: Convert to fraction form
553,660.70/830,491.05 = 543,163.10/x - Step 3: Cross multiply
553,660.70x = 830,491.05 × 543,163.10 - Step 4: Simplify right side
553,660.70x = 451,092,093,240.26 - Step 5: Solve for x
x = 451,092,093,240.26/553,660.70 - Step 6: Final answer
x = 814,744.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.