Finding the Fourth Proportional to 986,330.80, 1,479,964.20 and 683,191.09
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Solution
The fourth proportional to 986,330.80, 1,479,964.20 and 683,191.09 is: 1,025,110.80
Step by Step Solution
- Step 1: Write the proportion equation
986,330.80 : 1,479,964.20 = 683,191.09 : x - Step 2: Convert to fraction form
986,330.80/1,479,964.20 = 683,191.09/x - Step 3: Cross multiply
986,330.80x = 1,479,964.20 × 683,191.09 - Step 4: Simplify right side
986,330.80x = 1,011,098,354,958.98 - Step 5: Solve for x
x = 1,011,098,354,958.98/986,330.80 - Step 6: Final answer
x = 1,025,110.80
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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.