Finding the Fourth Proportional to 980,336.09, 1,352,836.81 and 544,742.19
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Solution
The fourth proportional to 980,336.09, 1,352,836.81 and 544,742.19 is: 751,729.22
Step by Step Solution
- Step 1: Write the proportion equation
980,336.09 : 1,352,836.81 = 544,742.19 : x - Step 2: Convert to fraction form
980,336.09/1,352,836.81 = 544,742.19/x - Step 3: Cross multiply
980,336.09x = 1,352,836.81 × 544,742.19 - Step 4: Simplify right side
980,336.09x = 736,947,287,272.94 - Step 5: Solve for x
x = 736,947,287,272.94/980,336.09 - Step 6: Final answer
x = 751,729.22
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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.