Finding the Fourth Proportional to 906,092.12, 1,250,410.34 and 498,219.62
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Solution
The fourth proportional to 906,092.12, 1,250,410.34 and 498,219.62 is: 687,544.84
Step by Step Solution
- Step 1: Write the proportion equation
906,092.12 : 1,250,410.34 = 498,219.62 : x - Step 2: Convert to fraction form
906,092.12/1,250,410.34 = 498,219.62/x - Step 3: Cross multiply
906,092.12x = 1,250,410.34 × 498,219.62 - Step 4: Simplify right side
906,092.12x = 622,978,964,438.87 - Step 5: Solve for x
x = 622,978,964,438.87/906,092.12 - Step 6: Final answer
x = 687,544.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.