Finding the Fourth Proportional to 696,412.05, 960,640.43 and 437,879.26
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Solution
The fourth proportional to 696,412.05, 960,640.43 and 437,879.26 is: 604,016.72
Step by Step Solution
- Step 1: Write the proportion equation
696,412.05 : 960,640.43 = 437,879.26 : x - Step 2: Convert to fraction form
696,412.05/960,640.43 = 437,879.26/x - Step 3: Cross multiply
696,412.05x = 960,640.43 × 437,879.26 - Step 4: Simplify right side
696,412.05x = 420,644,522,645.04 - Step 5: Solve for x
x = 420,644,522,645.04/696,412.05 - Step 6: Final answer
x = 604,016.72
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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.