Finding the Fourth Proportional to 1,237,546.50, 1,856,321.22 and 338,995.99
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Solution
The fourth proportional to 1,237,546.50, 1,856,321.22 and 338,995.99 is: 508,494.38
Step by Step Solution
- Step 1: Write the proportion equation
1,237,546.50 : 1,856,321.22 = 338,995.99 : x - Step 2: Convert to fraction form
1,237,546.50/1,856,321.22 = 338,995.99/x - Step 3: Cross multiply
1,237,546.50x = 1,856,321.22 × 338,995.99 - Step 4: Simplify right side
1,237,546.50x = 629,285,445,091.11 - Step 5: Solve for x
x = 629,285,445,091.11/1,237,546.50 - Step 6: Final answer
x = 508,494.38
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1.5x scale
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.