Finding the Fourth Proportional to 848,378.21, 1,170,769.53 and 461,194.36
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Solution
The fourth proportional to 848,378.21, 1,170,769.53 and 461,194.36 is: 636,452.35
Step by Step Solution
- Step 1: Write the proportion equation
848,378.21 : 1,170,769.53 = 461,194.36 : x - Step 2: Convert to fraction form
848,378.21/1,170,769.53 = 461,194.36/x - Step 3: Cross multiply
848,378.21x = 1,170,769.53 × 461,194.36 - Step 4: Simplify right side
848,378.21x = 539,952,302,898.41 - Step 5: Solve for x
x = 539,952,302,898.41/848,378.21 - Step 6: Final answer
x = 636,452.35
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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.