Finding the Fourth Proportional to 738,645.83, 1,019,157.62 and 448,250.84
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Solution
The fourth proportional to 738,645.83, 1,019,157.62 and 448,250.84 is: 618,480.79
Step by Step Solution
- Step 1: Write the proportion equation
738,645.83 : 1,019,157.62 = 448,250.84 : x - Step 2: Convert to fraction form
738,645.83/1,019,157.62 = 448,250.84/x - Step 3: Cross multiply
738,645.83x = 1,019,157.62 × 448,250.84 - Step 4: Simplify right side
738,645.83x = 456,838,251,920.36 - Step 5: Solve for x
x = 456,838,251,920.36/738,645.83 - Step 6: Final answer
x = 618,480.79
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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.