Finding the Fourth Proportional to 848,228.64, 1,170,580.86 and 485,769.84
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Solution
The fourth proportional to 848,228.64, 1,170,580.86 and 485,769.84 is: 670,376.89
Step by Step Solution
- Step 1: Write the proportion equation
848,228.64 : 1,170,580.86 = 485,769.84 : x - Step 2: Convert to fraction form
848,228.64/1,170,580.86 = 485,769.84/x - Step 3: Cross multiply
848,228.64x = 1,170,580.86 × 485,769.84 - Step 4: Simplify right side
848,228.64x = 568,632,877,069.26 - Step 5: Solve for x
x = 568,632,877,069.26/848,228.64 - Step 6: Final answer
x = 670,376.89
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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.