Finding the Fourth Proportional to 819,092.70, 1,228,639.05 and 733,471.65
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Solution
The fourth proportional to 819,092.70, 1,228,639.05 and 733,471.65 is: 1,100,207.48
Step by Step Solution
- Step 1: Write the proportion equation
819,092.70 : 1,228,639.05 = 733,471.65 : x - Step 2: Convert to fraction form
819,092.70/1,228,639.05 = 733,471.65/x - Step 3: Cross multiply
819,092.70x = 1,228,639.05 × 733,471.65 - Step 4: Simplify right side
819,092.70x = 901,171,911,257.93 - Step 5: Solve for x
x = 901,171,911,257.93/819,092.70 - Step 6: Final answer
x = 1,100,207.48
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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.