Finding the Fourth Proportional to 663,392.20, 995,079.12 and 397,226.20
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Solution
The fourth proportional to 663,392.20, 995,079.12 and 397,226.20 is: 595,833.80
Step by Step Solution
- Step 1: Write the proportion equation
663,392.20 : 995,079.12 = 397,226.20 : x - Step 2: Convert to fraction form
663,392.20/995,079.12 = 397,226.20/x - Step 3: Cross multiply
663,392.20x = 995,079.12 × 397,226.20 - Step 4: Simplify right side
663,392.20x = 395,271,497,536.94 - Step 5: Solve for x
x = 395,271,497,536.94/663,392.20 - Step 6: Final answer
x = 595,833.80
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1.5x scale
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.