Finding the Fourth Proportional to 568,473.91, 784,489.18 and 313,819.63
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Solution
The fourth proportional to 568,473.91, 784,489.18 and 313,819.63 is: 433,068.43
Step by Step Solution
- Step 1: Write the proportion equation
568,473.91 : 784,489.18 = 313,819.63 : x - Step 2: Convert to fraction form
568,473.91/784,489.18 = 313,819.63/x - Step 3: Cross multiply
568,473.91x = 784,489.18 × 313,819.63 - Step 4: Simplify right side
568,473.91x = 246,188,104,206.60 - Step 5: Solve for x
x = 246,188,104,206.60/568,473.91 - Step 6: Final answer
x = 433,068.43
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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.