Finding the Fourth Proportional to 886,665.88, 1,330,282.14 and 317,662.84
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Solution
The fourth proportional to 886,665.88, 1,330,282.14 and 317,662.84 is: 476,595.76
Step by Step Solution
- Step 1: Write the proportion equation
886,665.88 : 1,330,282.14 = 317,662.84 : x - Step 2: Convert to fraction form
886,665.88/1,330,282.14 = 317,662.84/x - Step 3: Cross multiply
886,665.88x = 1,330,282.14 × 317,662.84 - Step 4: Simplify right side
886,665.88x = 422,581,202,593.68 - Step 5: Solve for x
x = 422,581,202,593.68/886,665.88 - Step 6: Final answer
x = 476,595.76
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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.