Finding the Fourth Proportional to 998,546.80, 1,497,820.20 and 324,626.80
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Solution
The fourth proportional to 998,546.80, 1,497,820.20 and 324,626.80 is: 486,940.20
Step by Step Solution
- Step 1: Write the proportion equation
998,546.80 : 1,497,820.20 = 324,626.80 : x - Step 2: Convert to fraction form
998,546.80/1,497,820.20 = 324,626.80/x - Step 3: Cross multiply
998,546.80x = 1,497,820.20 × 324,626.80 - Step 4: Simplify right side
998,546.80x = 486,232,578,501.36 - Step 5: Solve for x
x = 486,232,578,501.36/998,546.80 - Step 6: Final answer
x = 486,940.20
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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.