Finding the Fourth Proportional to 986,022.53, 1,479,197.30 and 346,160.19
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Solution
The fourth proportional to 986,022.53, 1,479,197.30 and 346,160.19 is: 519,297.69
Step by Step Solution
- Step 1: Write the proportion equation
986,022.53 : 1,479,197.30 = 346,160.19 : x - Step 2: Convert to fraction form
986,022.53/1,479,197.30 = 346,160.19/x - Step 3: Cross multiply
986,022.53x = 1,479,197.30 × 346,160.19 - Step 4: Simplify right side
986,022.53x = 512,039,218,415.49 - Step 5: Solve for x
x = 512,039,218,415.49/986,022.53 - Step 6: Final answer
x = 519,297.69
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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.