Finding the Fourth Proportional to 568,474.91, 784,490.56 and 313,820.63
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Solution
The fourth proportional to 568,474.91, 784,490.56 and 313,820.63 is: 433,069.81
Step by Step Solution
- Step 1: Write the proportion equation
568,474.91 : 784,490.56 = 313,820.63 : x - Step 2: Convert to fraction form
568,474.91/784,490.56 = 313,820.63/x - Step 3: Cross multiply
568,474.91x = 784,490.56 × 313,820.63 - Step 4: Simplify right side
568,474.91x = 246,189,321,768.25 - Step 5: Solve for x
x = 246,189,321,768.25/568,474.91 - Step 6: Final answer
x = 433,069.81
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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.