Finding the Fourth Proportional to 986,465.80, 1,479,698.70 and 881,489.80
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Solution
The fourth proportional to 986,465.80, 1,479,698.70 and 881,489.80 is: 1,322,234.70
Step by Step Solution
- Step 1: Write the proportion equation
986,465.80 : 1,479,698.70 = 881,489.80 : x - Step 2: Convert to fraction form
986,465.80/1,479,698.70 = 881,489.80/x - Step 3: Cross multiply
986,465.80x = 1,479,698.70 × 881,489.80 - Step 4: Simplify right side
986,465.80x = 1,304,339,311,123.26 - Step 5: Solve for x
x = 1,304,339,311,123.26/986,465.80 - Step 6: Final answer
x = 1,322,234.70
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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.