Finding the Fourth Proportional to 868,561.25, 1,198,585.53 and 481,360.19
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Solution
The fourth proportional to 868,561.25, 1,198,585.53 and 481,360.19 is: 664,260.99
Step by Step Solution
- Step 1: Write the proportion equation
868,561.25 : 1,198,585.53 = 481,360.19 : x - Step 2: Convert to fraction form
868,561.25/1,198,585.53 = 481,360.19/x - Step 3: Cross multiply
868,561.25x = 1,198,585.53 × 481,360.19 - Step 4: Simplify right side
868,561.25x = 576,951,352,459.12 - Step 5: Solve for x
x = 576,951,352,459.12/868,561.25 - Step 6: Final answer
x = 664,260.99
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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.