Finding the Fourth Proportional to 568,769.74, 784,908.87 and 314,120.14
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Solution
The fourth proportional to 568,769.74, 784,908.87 and 314,120.14 is: 433,489.45
Step by Step Solution
- Step 1: Write the proportion equation
568,769.74 : 784,908.87 = 314,120.14 : x - Step 2: Convert to fraction form
568,769.74/784,908.87 = 314,120.14/x - Step 3: Cross multiply
568,769.74x = 784,908.87 × 314,120.14 - Step 4: Simplify right side
568,769.74x = 246,555,684,131.64 - Step 5: Solve for x
x = 246,555,684,131.64/568,769.74 - Step 6: Final answer
x = 433,489.45
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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.