Finding the Fourth Proportional to 667,375.23, 920,980.56 and 361,455.24
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Solution
The fourth proportional to 667,375.23, 920,980.56 and 361,455.24 is: 498,809.72
Step by Step Solution
- Step 1: Write the proportion equation
667,375.23 : 920,980.56 = 361,455.24 : x - Step 2: Convert to fraction form
667,375.23/920,980.56 = 361,455.24/x - Step 3: Cross multiply
667,375.23x = 920,980.56 × 361,455.24 - Step 4: Simplify right side
667,375.23x = 332,893,249,350.13 - Step 5: Solve for x
x = 332,893,249,350.13/667,375.23 - Step 6: Final answer
x = 498,809.72
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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.