Finding the Fourth Proportional to 868,049.97, 1,197,895.83 and 486,090.42
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Solution
The fourth proportional to 868,049.97, 1,197,895.83 and 486,090.42 is: 670,797.43
Step by Step Solution
- Step 1: Write the proportion equation
868,049.97 : 1,197,895.83 = 486,090.42 : x - Step 2: Convert to fraction form
868,049.97/1,197,895.83 = 486,090.42/x - Step 3: Cross multiply
868,049.97x = 1,197,895.83 × 486,090.42 - Step 4: Simplify right side
868,049.97x = 582,285,687,120.95 - Step 5: Solve for x
x = 582,285,687,120.95/868,049.97 - Step 6: Final answer
x = 670,797.43
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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.