Finding the Fourth Proportional to 582,131.80, 873,197.70 and 512,147.80
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Solution
The fourth proportional to 582,131.80, 873,197.70 and 512,147.80 is: 768,221.70
Step by Step Solution
- Step 1: Write the proportion equation
582,131.80 : 873,197.70 = 512,147.80 : x - Step 2: Convert to fraction form
582,131.80/873,197.70 = 512,147.80/x - Step 3: Cross multiply
582,131.80x = 873,197.70 × 512,147.80 - Step 4: Simplify right side
582,131.80x = 447,206,281,020.06 - Step 5: Solve for x
x = 447,206,281,020.06/582,131.80 - Step 6: Final answer
x = 768,221.70
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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.