Finding the Fourth Proportional to 949,143.11, 1,310,428.79 and 846,992.88
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Solution
The fourth proportional to 949,143.11, 1,310,428.79 and 846,992.88 is: 1,169,395.68
Step by Step Solution
- Step 1: Write the proportion equation
949,143.11 : 1,310,428.79 = 846,992.88 : x - Step 2: Convert to fraction form
949,143.11/1,310,428.79 = 846,992.88/x - Step 3: Cross multiply
949,143.11x = 1,310,428.79 × 846,992.88 - Step 4: Simplify right side
949,143.11x = 1,109,923,850,642.05 - Step 5: Solve for x
x = 1,109,923,850,642.05/949,143.11 - Step 6: Final answer
x = 1,169,395.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.