Finding the Fourth Proportional to 686,226.24, 1,028,201.16 and 485,551.92
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Solution
The fourth proportional to 686,226.24, 1,028,201.16 and 485,551.92 is: 727,522.53
Step by Step Solution
- Step 1: Write the proportion equation
686,226.24 : 1,028,201.16 = 485,551.92 : x - Step 2: Convert to fraction form
686,226.24/1,028,201.16 = 485,551.92/x - Step 3: Cross multiply
686,226.24x = 1,028,201.16 × 485,551.92 - Step 4: Simplify right side
686,226.24x = 499,245,047,384.23 - Step 5: Solve for x
x = 499,245,047,384.23/686,226.24 - Step 6: Final answer
x = 727,522.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.