Finding the Fourth Proportional to 568,121.48, 784,023.93 and 313,489.07
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Solution
The fourth proportional to 568,121.48, 784,023.93 and 313,489.07 is: 432,623.90
Step by Step Solution
- Step 1: Write the proportion equation
568,121.48 : 784,023.93 = 313,489.07 : x - Step 2: Convert to fraction form
568,121.48/784,023.93 = 313,489.07/x - Step 3: Cross multiply
568,121.48x = 784,023.93 × 313,489.07 - Step 4: Simplify right side
568,121.48x = 245,782,928,753.33 - Step 5: Solve for x
x = 245,782,928,753.33/568,121.48 - Step 6: Final answer
x = 432,623.90
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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.