Finding the Fourth Proportional to 784,914.84, 1,082,873.36 and 453,551.83
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Solution
The fourth proportional to 784,914.84, 1,082,873.36 and 453,551.83 is: 625,722.90
Step by Step Solution
- Step 1: Write the proportion equation
784,914.84 : 1,082,873.36 = 453,551.83 : x - Step 2: Convert to fraction form
784,914.84/1,082,873.36 = 453,551.83/x - Step 3: Cross multiply
784,914.84x = 1,082,873.36 × 453,551.83 - Step 4: Simplify right side
784,914.84x = 491,139,193,007.30 - Step 5: Solve for x
x = 491,139,193,007.30/784,914.84 - Step 6: Final answer
x = 625,722.90
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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.