Finding the Fourth Proportional to 568,101.36, 784,263.94 and 353,310.62
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Solution
The fourth proportional to 568,101.36, 784,263.94 and 353,310.62 is: 487,745.32
Step by Step Solution
- Step 1: Write the proportion equation
568,101.36 : 784,263.94 = 353,310.62 : x - Step 2: Convert to fraction form
568,101.36/784,263.94 = 353,310.62/x - Step 3: Cross multiply
568,101.36x = 784,263.94 × 353,310.62 - Step 4: Simplify right side
568,101.36x = 277,088,778,885.04 - Step 5: Solve for x
x = 277,088,778,885.04/568,101.36 - Step 6: Final answer
x = 487,745.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.