Finding the Fourth Proportional to 586,575.84, 809,034.01 and 393,201.64
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Solution
The fourth proportional to 586,575.84, 809,034.01 and 393,201.64 is: 542,322.88
Step by Step Solution
- Step 1: Write the proportion equation
586,575.84 : 809,034.01 = 393,201.64 : x - Step 2: Convert to fraction form
586,575.84/809,034.01 = 393,201.64/x - Step 3: Cross multiply
586,575.84x = 809,034.01 × 393,201.64 - Step 4: Simplify right side
586,575.84x = 318,113,498,746.65 - Step 5: Solve for x
x = 318,113,498,746.65/586,575.84 - Step 6: Final answer
x = 542,322.88
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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.