Finding the Fourth Proportional to 722,813.41, 1,084,273.37 and 190,330.75
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Solution
The fourth proportional to 722,813.41, 1,084,273.37 and 190,330.75 is: 285,510.15
Step by Step Solution
- Step 1: Write the proportion equation
722,813.41 : 1,084,273.37 = 190,330.75 : x - Step 2: Convert to fraction form
722,813.41/1,084,273.37 = 190,330.75/x - Step 3: Cross multiply
722,813.41x = 1,084,273.37 × 190,330.75 - Step 4: Simplify right side
722,813.41x = 206,370,563,717.13 - Step 5: Solve for x
x = 206,370,563,717.13/722,813.41 - Step 6: Final answer
x = 285,510.15
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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.