Finding the Fourth Proportional to 981,370.58, 1,469,693.84 and 664,867.94
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Solution
The fourth proportional to 981,370.58, 1,469,693.84 and 664,867.94 is: 995,701.65
Step by Step Solution
- Step 1: Write the proportion equation
981,370.58 : 1,469,693.84 = 664,867.94 : x - Step 2: Convert to fraction form
981,370.58/1,469,693.84 = 664,867.94/x - Step 3: Cross multiply
981,370.58x = 1,469,693.84 × 664,867.94 - Step 4: Simplify right side
981,370.58x = 977,152,305,158.68 - Step 5: Solve for x
x = 977,152,305,158.68/981,370.58 - Step 6: Final answer
x = 995,701.65
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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.