Finding the Fourth Proportional to 876,203.79, 1,314,353.52 and 277,120.23
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Solution
The fourth proportional to 876,203.79, 1,314,353.52 and 277,120.23 is: 415,695.47
Step by Step Solution
- Step 1: Write the proportion equation
876,203.79 : 1,314,353.52 = 277,120.23 : x - Step 2: Convert to fraction form
876,203.79/1,314,353.52 = 277,120.23/x - Step 3: Cross multiply
876,203.79x = 1,314,353.52 × 277,120.23 - Step 4: Simplify right side
876,203.79x = 364,233,949,763.71 - Step 5: Solve for x
x = 364,233,949,763.71/876,203.79 - Step 6: Final answer
x = 415,695.47
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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.