Finding the Fourth Proportional to 748,088.70, 1,122,624.09 and 274,777.98
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Solution
The fourth proportional to 748,088.70, 1,122,624.09 and 274,777.98 is: 412,347.33
Step by Step Solution
- Step 1: Write the proportion equation
748,088.70 : 1,122,624.09 = 274,777.98 : x - Step 2: Convert to fraction form
748,088.70/1,122,624.09 = 274,777.98/x - Step 3: Cross multiply
748,088.70x = 1,122,624.09 × 274,777.98 - Step 4: Simplify right side
748,088.70x = 308,472,379,749.54 - Step 5: Solve for x
x = 308,472,379,749.54/748,088.70 - Step 6: Final answer
x = 412,347.33
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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.