Finding the Fourth Proportional to 848,917.12, 1,171,671.84 and 486,583.68
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Solution
The fourth proportional to 848,917.12, 1,171,671.84 and 486,583.68 is: 671,580.75
Step by Step Solution
- Step 1: Write the proportion equation
848,917.12 : 1,171,671.84 = 486,583.68 : x - Step 2: Convert to fraction form
848,917.12/1,171,671.84 = 486,583.68/x - Step 3: Cross multiply
848,917.12x = 1,171,671.84 × 486,583.68 - Step 4: Simplify right side
848,917.12x = 570,116,395,659.57 - Step 5: Solve for x
x = 570,116,395,659.57/848,917.12 - Step 6: Final answer
x = 671,580.75
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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.