Finding the Fourth Proportional to 806,787.21, 1,209,429.05 and 273,943.79
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Solution
The fourth proportional to 806,787.21, 1,209,429.05 and 273,943.79 is: 410,660.41
Step by Step Solution
- Step 1: Write the proportion equation
806,787.21 : 1,209,429.05 = 273,943.79 : x - Step 2: Convert to fraction form
806,787.21/1,209,429.05 = 273,943.79/x - Step 3: Cross multiply
806,787.21x = 1,209,429.05 × 273,943.79 - Step 4: Simplify right side
806,787.21x = 331,315,570,276.24 - Step 5: Solve for x
x = 331,315,570,276.24/806,787.21 - Step 6: Final answer
x = 410,660.41
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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.