Finding the Fourth Proportional to 907,591.80, 1,361,241.90 and 276,358.80
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Solution
The fourth proportional to 907,591.80, 1,361,241.90 and 276,358.80 is: 414,493.80
Step by Step Solution
- Step 1: Write the proportion equation
907,591.80 : 1,361,241.90 = 276,358.80 : x - Step 2: Convert to fraction form
907,591.80/1,361,241.90 = 276,358.80/x - Step 3: Cross multiply
907,591.80x = 1,361,241.90 × 276,358.80 - Step 4: Simplify right side
907,591.80x = 376,191,177,993.72 - Step 5: Solve for x
x = 376,191,177,993.72/907,591.80 - Step 6: Final answer
x = 414,493.80
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1.5x scale
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.