Finding the Fourth Proportional to 986,440.20, 1,479,660.30 and 773,863.80
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Solution
The fourth proportional to 986,440.20, 1,479,660.30 and 773,863.80 is: 1,160,795.70
Step by Step Solution
- Step 1: Write the proportion equation
986,440.20 : 1,479,660.30 = 773,863.80 : x - Step 2: Convert to fraction form
986,440.20/1,479,660.30 = 773,863.80/x - Step 3: Cross multiply
986,440.20x = 1,479,660.30 × 773,863.80 - Step 4: Simplify right side
986,440.20x = 1,145,055,542,467.14 - Step 5: Solve for x
x = 1,145,055,542,467.14/986,440.20 - Step 6: Final answer
x = 1,160,795.70
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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.