Finding the Fourth Proportional to 753,198.08, 1,039,464.24 and 413,669.84
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Solution
The fourth proportional to 753,198.08, 1,039,464.24 and 413,669.84 is: 570,892.33
Step by Step Solution
- Step 1: Write the proportion equation
753,198.08 : 1,039,464.24 = 413,669.84 : x - Step 2: Convert to fraction form
753,198.08/1,039,464.24 = 413,669.84/x - Step 3: Cross multiply
753,198.08x = 1,039,464.24 × 413,669.84 - Step 4: Simplify right side
753,198.08x = 429,995,005,846.52 - Step 5: Solve for x
x = 429,995,005,846.52/753,198.08 - Step 6: Final answer
x = 570,892.33
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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.