Finding the Fourth Proportional to 876,541.44, 1,315,009.20 and 277,538.40
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Solution
The fourth proportional to 876,541.44, 1,315,009.20 and 277,538.40 is: 416,369.99
Step by Step Solution
- Step 1: Write the proportion equation
876,541.44 : 1,315,009.20 = 277,538.40 : x - Step 2: Convert to fraction form
876,541.44/1,315,009.20 = 277,538.40/x - Step 3: Cross multiply
876,541.44x = 1,315,009.20 × 277,538.40 - Step 4: Simplify right side
876,541.44x = 364,965,549,353.28 - Step 5: Solve for x
x = 364,965,549,353.28/876,541.44 - Step 6: Final answer
x = 416,369.99
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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.