Finding the Fourth Proportional to 718,138.00, 991,074.78 and 395,847.37
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Solution
The fourth proportional to 718,138.00, 991,074.78 and 395,847.37 is: 546,293.81
Step by Step Solution
- Step 1: Write the proportion equation
718,138.00 : 991,074.78 = 395,847.37 : x - Step 2: Convert to fraction form
718,138.00/991,074.78 = 395,847.37/x - Step 3: Cross multiply
718,138.00x = 991,074.78 × 395,847.37 - Step 4: Simplify right side
718,138.00x = 392,314,338,201.72 - Step 5: Solve for x
x = 392,314,338,201.72/718,138.00 - Step 6: Final answer
x = 546,293.81
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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.