Finding the Fourth Proportional to 529,840.62, 731,183.49 and 288,125.82
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Solution
The fourth proportional to 529,840.62, 731,183.49 and 288,125.82 is: 397,615.50
Step by Step Solution
- Step 1: Write the proportion equation
529,840.62 : 731,183.49 = 288,125.82 : x - Step 2: Convert to fraction form
529,840.62/731,183.49 = 288,125.82/x - Step 3: Cross multiply
529,840.62x = 731,183.49 × 288,125.82 - Step 4: Simplify right side
529,840.62x = 210,672,842,626.71 - Step 5: Solve for x
x = 210,672,842,626.71/529,840.62 - Step 6: Final answer
x = 397,615.50
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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.