Finding the Fourth Proportional to 890,729.87, 1,229,202.74 and 482,830.07
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Solution
The fourth proportional to 890,729.87, 1,229,202.74 and 482,830.07 is: 666,303.07
Step by Step Solution
- Step 1: Write the proportion equation
890,729.87 : 1,229,202.74 = 482,830.07 : x - Step 2: Convert to fraction form
890,729.87/1,229,202.74 = 482,830.07/x - Step 3: Cross multiply
890,729.87x = 1,229,202.74 × 482,830.07 - Step 4: Simplify right side
890,729.87x = 593,496,040,059.45 - Step 5: Solve for x
x = 593,496,040,059.45/890,729.87 - Step 6: Final answer
x = 666,303.07
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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.