Finding the Fourth Proportional to 693,447.92, 1,040,097.36 and 470,241.08
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Solution
The fourth proportional to 693,447.92, 1,040,097.36 and 470,241.08 is: 705,311.09
Step by Step Solution
- Step 1: Write the proportion equation
693,447.92 : 1,040,097.36 = 470,241.08 : x - Step 2: Convert to fraction form
693,447.92/1,040,097.36 = 470,241.08/x - Step 3: Cross multiply
693,447.92x = 1,040,097.36 × 470,241.08 - Step 4: Simplify right side
693,447.92x = 489,096,505,871.55 - Step 5: Solve for x
x = 489,096,505,871.55/693,447.92 - Step 6: Final answer
x = 705,311.09
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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.