Finding the Fourth Proportional to 722,821.80, 1,084,232.70 and 349,573.80
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Solution
The fourth proportional to 722,821.80, 1,084,232.70 and 349,573.80 is: 524,360.70
Step by Step Solution
- Step 1: Write the proportion equation
722,821.80 : 1,084,232.70 = 349,573.80 : x - Step 2: Convert to fraction form
722,821.80/1,084,232.70 = 349,573.80/x - Step 3: Cross multiply
722,821.80x = 1,084,232.70 × 349,573.80 - Step 4: Simplify right side
722,821.80x = 379,019,345,023.26 - Step 5: Solve for x
x = 379,019,345,023.26/722,821.80 - Step 6: Final answer
x = 524,360.70
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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.