Finding the Fourth Proportional to 994,579.25, 1,372,761.09 and 607,720.44
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Solution
The fourth proportional to 994,579.25, 1,372,761.09 and 607,720.44 is: 838,801.90
Step by Step Solution
- Step 1: Write the proportion equation
994,579.25 : 1,372,761.09 = 607,720.44 : x - Step 2: Convert to fraction form
994,579.25/1,372,761.09 = 607,720.44/x - Step 3: Cross multiply
994,579.25x = 1,372,761.09 × 607,720.44 - Step 4: Simplify right side
994,579.25x = 834,254,971,317.18 - Step 5: Solve for x
x = 834,254,971,317.18/994,579.25 - Step 6: Final answer
x = 838,801.90
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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.