Finding the Fourth Proportional to 681,709.36, 1,022,205.88 and 302,465.84
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Solution
The fourth proportional to 681,709.36, 1,022,205.88 and 302,465.84 is: 453,539.85
Step by Step Solution
- Step 1: Write the proportion equation
681,709.36 : 1,022,205.88 = 302,465.84 : x - Step 2: Convert to fraction form
681,709.36/1,022,205.88 = 302,465.84/x - Step 3: Cross multiply
681,709.36x = 1,022,205.88 × 302,465.84 - Step 4: Simplify right side
681,709.36x = 309,182,360,147.14 - Step 5: Solve for x
x = 309,182,360,147.14/681,709.36 - Step 6: Final answer
x = 453,539.85
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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.