Finding the Fourth Proportional to 857,568.49, 1,286,025.94 and 288,797.00
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Solution
The fourth proportional to 857,568.49, 1,286,025.94 and 288,797.00 is: 433,085.44
Step by Step Solution
- Step 1: Write the proportion equation
857,568.49 : 1,286,025.94 = 288,797.00 : x - Step 2: Convert to fraction form
857,568.49/1,286,025.94 = 288,797.00/x - Step 3: Cross multiply
857,568.49x = 1,286,025.94 × 288,797.00 - Step 4: Simplify right side
857,568.49x = 371,400,426,512.81 - Step 5: Solve for x
x = 371,400,426,512.81/857,568.49 - Step 6: Final answer
x = 433,085.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.