Finding the Fourth Proportional to 943,620.24, 1,414,249.98 and 743,148.90
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Solution
The fourth proportional to 943,620.24, 1,414,249.98 and 743,148.90 is: 1,113,793.74
Step by Step Solution
- Step 1: Write the proportion equation
943,620.24 : 1,414,249.98 = 743,148.90 : x - Step 2: Convert to fraction form
943,620.24/1,414,249.98 = 743,148.90/x - Step 3: Cross multiply
943,620.24x = 1,414,249.98 × 743,148.90 - Step 4: Simplify right side
943,620.24x = 1,050,998,316,962.02 - Step 5: Solve for x
x = 1,050,998,316,962.02/943,620.24 - Step 6: Final answer
x = 1,113,793.74
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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.