Finding the Fourth Proportional to 845,660.67, 1,268,677.58 and 246,668.71
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Solution
The fourth proportional to 845,660.67, 1,268,677.58 and 246,668.71 is: 370,057.49
Step by Step Solution
- Step 1: Write the proportion equation
845,660.67 : 1,268,677.58 = 246,668.71 : x - Step 2: Convert to fraction form
845,660.67/1,268,677.58 = 246,668.71/x - Step 3: Cross multiply
845,660.67x = 1,268,677.58 × 246,668.71 - Step 4: Simplify right side
845,660.67x = 312,943,062,064.52 - Step 5: Solve for x
x = 312,943,062,064.52/845,660.67 - Step 6: Final answer
x = 370,057.49
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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.