Finding the Fourth Proportional to 664,455.70, 996,240.68 and 322,808.03
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Solution
The fourth proportional to 664,455.70, 996,240.68 and 322,808.03 is: 483,996.89
Step by Step Solution
- Step 1: Write the proportion equation
664,455.70 : 996,240.68 = 322,808.03 : x - Step 2: Convert to fraction form
664,455.70/996,240.68 = 322,808.03/x - Step 3: Cross multiply
664,455.70x = 996,240.68 × 322,808.03 - Step 4: Simplify right side
664,455.70x = 321,594,489,702.62 - Step 5: Solve for x
x = 321,594,489,702.62/664,455.70 - Step 6: Final answer
x = 483,996.89
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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.