Finding the Fourth Proportional to 769,231.08, 1,153,864.44 and 263,787.84
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Solution
The fourth proportional to 769,231.08, 1,153,864.44 and 263,787.84 is: 395,687.87
Step by Step Solution
- Step 1: Write the proportion equation
769,231.08 : 1,153,864.44 = 263,787.84 : x - Step 2: Convert to fraction form
769,231.08/1,153,864.44 = 263,787.84/x - Step 3: Cross multiply
769,231.08x = 1,153,864.44 × 263,787.84 - Step 4: Simplify right side
769,231.08x = 304,375,408,280.41 - Step 5: Solve for x
x = 304,375,408,280.41/769,231.08 - Step 6: Final answer
x = 395,687.87
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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.