Finding the Fourth Proportional to 738,091.44, 1,018,756.20 and 480,611.07
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Solution
The fourth proportional to 738,091.44, 1,018,756.20 and 480,611.07 is: 663,367.00
Step by Step Solution
- Step 1: Write the proportion equation
738,091.44 : 1,018,756.20 = 480,611.07 : x - Step 2: Convert to fraction form
738,091.44/1,018,756.20 = 480,611.07/x - Step 3: Cross multiply
738,091.44x = 1,018,756.20 × 480,611.07 - Step 4: Simplify right side
738,091.44x = 489,625,507,351.13 - Step 5: Solve for x
x = 489,625,507,351.13/738,091.44 - Step 6: Final answer
x = 663,367.00
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1.5x scale
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.