Finding the Fourth Proportional to 899,559.11, 1,241,357.81 and 491,657.63
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Solution
The fourth proportional to 899,559.11, 1,241,357.81 and 491,657.63 is: 678,469.07
Step by Step Solution
- Step 1: Write the proportion equation
899,559.11 : 1,241,357.81 = 491,657.63 : x - Step 2: Convert to fraction form
899,559.11/1,241,357.81 = 491,657.63/x - Step 3: Cross multiply
899,559.11x = 1,241,357.81 × 491,657.63 - Step 4: Simplify right side
899,559.11x = 610,323,030,181.51 - Step 5: Solve for x
x = 610,323,030,181.51/899,559.11 - Step 6: Final answer
x = 678,469.07
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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.