Finding the Fourth Proportional to 802,756.08, 1,107,790.56 and 440,183.07
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Solution
The fourth proportional to 802,756.08, 1,107,790.56 and 440,183.07 is: 607,445.60
Step by Step Solution
- Step 1: Write the proportion equation
802,756.08 : 1,107,790.56 = 440,183.07 : x - Step 2: Convert to fraction form
802,756.08/1,107,790.56 = 440,183.07/x - Step 3: Cross multiply
802,756.08x = 1,107,790.56 × 440,183.07 - Step 4: Simplify right side
802,756.08x = 487,630,649,617.82 - Step 5: Solve for x
x = 487,630,649,617.82/802,756.08 - Step 6: Final answer
x = 607,445.60
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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.