Finding the Fourth Proportional to 979,860.51, 1,469,544.12 and 348,626.70
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Solution
The fourth proportional to 979,860.51, 1,469,544.12 and 348,626.70 is: 522,852.30
Step by Step Solution
- Step 1: Write the proportion equation
979,860.51 : 1,469,544.12 = 348,626.70 : x - Step 2: Convert to fraction form
979,860.51/1,469,544.12 = 348,626.70/x - Step 3: Cross multiply
979,860.51x = 1,469,544.12 × 348,626.70 - Step 4: Simplify right side
979,860.51x = 512,322,317,060.00 - Step 5: Solve for x
x = 512,322,317,060.00/979,860.51 - Step 6: Final answer
x = 522,852.30
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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.