Finding the Fourth Proportional to 639,590.42, 959,887.00 and 446,207.26
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Solution
The fourth proportional to 639,590.42, 959,887.00 and 446,207.26 is: 669,660.67
Step by Step Solution
- Step 1: Write the proportion equation
639,590.42 : 959,887.00 = 446,207.26 : x - Step 2: Convert to fraction form
639,590.42/959,887.00 = 446,207.26/x - Step 3: Cross multiply
639,590.42x = 959,887.00 × 446,207.26 - Step 4: Simplify right side
639,590.42x = 428,308,546,895.42 - Step 5: Solve for x
x = 428,308,546,895.42/639,590.42 - Step 6: Final answer
x = 669,660.67
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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.