Finding the Fourth Proportional to 940,122.24, 1,409,883.84 and 308,889.60
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Solution
The fourth proportional to 940,122.24, 1,409,883.84 and 308,889.60 is: 463,235.99
Step by Step Solution
- Step 1: Write the proportion equation
940,122.24 : 1,409,883.84 = 308,889.60 : x - Step 2: Convert to fraction form
940,122.24/1,409,883.84 = 308,889.60/x - Step 3: Cross multiply
940,122.24x = 1,409,883.84 × 308,889.60 - Step 4: Simplify right side
940,122.24x = 435,498,455,384.06 - Step 5: Solve for x
x = 435,498,455,384.06/940,122.24 - Step 6: Final answer
x = 463,235.99
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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.