Finding the Fourth Proportional to 807,761.97, 1,211,867.46 and 352,393.02
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Solution
The fourth proportional to 807,761.97, 1,211,867.46 and 352,393.02 is: 528,687.47
Step by Step Solution
- Step 1: Write the proportion equation
807,761.97 : 1,211,867.46 = 352,393.02 : x - Step 2: Convert to fraction form
807,761.97/1,211,867.46 = 352,393.02/x - Step 3: Cross multiply
807,761.97x = 1,211,867.46 × 352,393.02 - Step 4: Simplify right side
807,761.97x = 427,053,634,069.13 - Step 5: Solve for x
x = 427,053,634,069.13/807,761.97 - Step 6: Final answer
x = 528,687.47
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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.