Finding the Fourth Proportional to 723,124.68, 1,084,249.49 and 323,691
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Solution
The fourth proportional to 723,124.68, 1,084,249.49 and 323,691 is: 485,340.65
Step by Step Solution
- Step 1: Write the proportion equation
723,124.68 : 1,084,249.49 = 323,691 : x - Step 2: Convert to fraction form
723,124.68/1,084,249.49 = 323,691/x - Step 3: Cross multiply
723,124.68x = 1,084,249.49 × 323,691 - Step 4: Simplify right side
723,124.68x = 350,961,800,049.14 - Step 5: Solve for x
x = 350,961,800,049.14/723,124.68 - Step 6: Final answer
x = 485,340.65
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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.