Finding the Fourth Proportional to 566,891.97, 782,310.87 and 312,243.18
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Solution
The fourth proportional to 566,891.97, 782,310.87 and 312,243.18 is: 430,895.56
Step by Step Solution
- Step 1: Write the proportion equation
566,891.97 : 782,310.87 = 312,243.18 : x - Step 2: Convert to fraction form
566,891.97/782,310.87 = 312,243.18/x - Step 3: Cross multiply
566,891.97x = 782,310.87 × 312,243.18 - Step 4: Simplify right side
566,891.97x = 244,271,233,797.37 - Step 5: Solve for x
x = 244,271,233,797.37/566,891.97 - Step 6: Final answer
x = 430,895.56
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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.