Finding the Fourth Proportional to 988,135.83, 1,481,059.89 and 454,536.99
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Solution
The fourth proportional to 988,135.83, 1,481,059.89 and 454,536.99 is: 681,279.32
Step by Step Solution
- Step 1: Write the proportion equation
988,135.83 : 1,481,059.89 = 454,536.99 : x - Step 2: Convert to fraction form
988,135.83/1,481,059.89 = 454,536.99/x - Step 3: Cross multiply
988,135.83x = 1,481,059.89 × 454,536.99 - Step 4: Simplify right side
988,135.83x = 673,196,504,410.33 - Step 5: Solve for x
x = 673,196,504,410.33/988,135.83 - Step 6: Final answer
x = 681,279.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.