Finding the Fourth Proportional to 982,074.87, 1,355,249.97 and 552,354.84
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Solution
The fourth proportional to 982,074.87, 1,355,249.97 and 552,354.84 is: 762,242.17
Step by Step Solution
- Step 1: Write the proportion equation
982,074.87 : 1,355,249.97 = 552,354.84 : x - Step 2: Convert to fraction form
982,074.87/1,355,249.97 = 552,354.84/x - Step 3: Cross multiply
982,074.87x = 1,355,249.97 × 552,354.84 - Step 4: Simplify right side
982,074.87x = 748,578,880,339.36 - Step 5: Solve for x
x = 748,578,880,339.36/982,074.87 - Step 6: Final answer
x = 762,242.17
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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.