Finding the Fourth Proportional to 603,228.13, 904,995.35 and 279,249.79
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Solution
The fourth proportional to 603,228.13, 904,995.35 and 279,249.79 is: 418,945.58
Step by Step Solution
- Step 1: Write the proportion equation
603,228.13 : 904,995.35 = 279,249.79 : x - Step 2: Convert to fraction form
603,228.13/904,995.35 = 279,249.79/x - Step 3: Cross multiply
603,228.13x = 904,995.35 × 279,249.79 - Step 4: Simplify right side
603,228.13x = 252,719,761,438.48 - Step 5: Solve for x
x = 252,719,761,438.48/603,228.13 - Step 6: Final answer
x = 418,945.58
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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.