Finding the Fourth Proportional to 664,456.20, 996,241.42 and 322,808.53
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Solution
The fourth proportional to 664,456.20, 996,241.42 and 322,808.53 is: 483,997.63
Step by Step Solution
- Step 1: Write the proportion equation
664,456.20 : 996,241.42 = 322,808.53 : x - Step 2: Convert to fraction form
664,456.20/996,241.42 = 322,808.53/x - Step 3: Cross multiply
664,456.20x = 996,241.42 × 322,808.53 - Step 4: Simplify right side
664,456.20x = 321,595,228,315.31 - Step 5: Solve for x
x = 321,595,228,315.31/664,456.20 - Step 6: Final answer
x = 483,997.63
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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.