Finding the Fourth Proportional to 659,214.80, 988,854.60 and 344,286.80
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Solution
The fourth proportional to 659,214.80, 988,854.60 and 344,286.80 is: 516,447.12
Step by Step Solution
- Step 1: Write the proportion equation
659,214.80 : 988,854.60 = 344,286.80 : x - Step 2: Convert to fraction form
659,214.80/988,854.60 = 344,286.80/x - Step 3: Cross multiply
659,214.80x = 988,854.60 × 344,286.80 - Step 4: Simplify right side
659,214.80x = 340,449,585,899.28 - Step 5: Solve for x
x = 340,449,585,899.28/659,214.80 - Step 6: Final answer
x = 516,447.12
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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.