Finding the Fourth Proportional to 876,942.17, 1,315,449.84 and 277,890.06
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Solution
The fourth proportional to 876,942.17, 1,315,449.84 and 277,890.06 is: 416,846.68
Step by Step Solution
- Step 1: Write the proportion equation
876,942.17 : 1,315,449.84 = 277,890.06 : x - Step 2: Convert to fraction form
876,942.17/1,315,449.84 = 277,890.06/x - Step 3: Cross multiply
876,942.17x = 1,315,449.84 × 277,890.06 - Step 4: Simplify right side
876,942.17x = 365,550,434,964.59 - Step 5: Solve for x
x = 365,550,434,964.59/876,942.17 - Step 6: Final answer
x = 416,846.68
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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.