Finding the Fourth Proportional to 607,717.58, 911,083.08 and 252,997.12
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Solution
The fourth proportional to 607,717.58, 911,083.08 and 252,997.12 is: 379,290.31
Step by Step Solution
- Step 1: Write the proportion equation
607,717.58 : 911,083.08 = 252,997.12 : x - Step 2: Convert to fraction form
607,717.58/911,083.08 = 252,997.12/x - Step 3: Cross multiply
607,717.58x = 911,083.08 × 252,997.12 - Step 4: Simplify right side
607,717.58x = 230,501,390,765.31 - Step 5: Solve for x
x = 230,501,390,765.31/607,717.58 - Step 6: Final answer
x = 379,290.31
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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.