Finding the Fourth Proportional to 846,814.97, 1,269,954.86 and 278,102.36
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Solution
The fourth proportional to 846,814.97, 1,269,954.86 and 278,102.36 is: 417,065.65
Step by Step Solution
- Step 1: Write the proportion equation
846,814.97 : 1,269,954.86 = 278,102.36 : x - Step 2: Convert to fraction form
846,814.97/1,269,954.86 = 278,102.36/x - Step 3: Cross multiply
846,814.97x = 1,269,954.86 × 278,102.36 - Step 4: Simplify right side
846,814.97x = 353,177,437,309.70 - Step 5: Solve for x
x = 353,177,437,309.70/846,814.97 - Step 6: Final answer
x = 417,065.65
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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.