Finding the Fourth Proportional to 848,390.28, 1,170,785.30 and 461,205.62
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Solution
The fourth proportional to 848,390.28, 1,170,785.30 and 461,205.62 is: 636,467.40
Step by Step Solution
- Step 1: Write the proportion equation
848,390.28 : 1,170,785.30 = 461,205.62 : x - Step 2: Convert to fraction form
848,390.28/1,170,785.30 = 461,205.62/x - Step 3: Cross multiply
848,390.28x = 1,170,785.30 × 461,205.62 - Step 4: Simplify right side
848,390.28x = 539,972,752,013.43 - Step 5: Solve for x
x = 539,972,752,013.43/848,390.28 - Step 6: Final answer
x = 636,467.40
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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.