Finding the Fourth Proportional to 712,228.24, 1,068,447.60 and 206,723.68
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Solution
The fourth proportional to 712,228.24, 1,068,447.60 and 206,723.68 is: 310,116.07
Step by Step Solution
- Step 1: Write the proportion equation
712,228.24 : 1,068,447.60 = 206,723.68 : x - Step 2: Convert to fraction form
712,228.24/1,068,447.60 = 206,723.68/x - Step 3: Cross multiply
712,228.24x = 1,068,447.60 × 206,723.68 - Step 4: Simplify right side
712,228.24x = 220,873,419,759.17 - Step 5: Solve for x
x = 220,873,419,759.17/712,228.24 - Step 6: Final answer
x = 310,116.07
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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.