Finding the Fourth Proportional to 723,067.76, 1,084,673.58 and 267,780.84
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Solution
The fourth proportional to 723,067.76, 1,084,673.58 and 267,780.84 is: 401,697.89
Step by Step Solution
- Step 1: Write the proportion equation
723,067.76 : 1,084,673.58 = 267,780.84 : x - Step 2: Convert to fraction form
723,067.76/1,084,673.58 = 267,780.84/x - Step 3: Cross multiply
723,067.76x = 1,084,673.58 × 267,780.84 - Step 4: Simplify right side
723,067.76x = 290,454,797,118.23 - Step 5: Solve for x
x = 290,454,797,118.23/723,067.76 - Step 6: Final answer
x = 401,697.89
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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.