Finding the Fourth Proportional to 576,013.94, 795,198.09 and 420,790.94
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Solution
The fourth proportional to 576,013.94, 795,198.09 and 420,790.94 is: 580,909.82
Step by Step Solution
- Step 1: Write the proportion equation
576,013.94 : 795,198.09 = 420,790.94 : x - Step 2: Convert to fraction form
576,013.94/795,198.09 = 420,790.94/x - Step 3: Cross multiply
576,013.94x = 795,198.09 × 420,790.94 - Step 4: Simplify right side
576,013.94x = 334,612,151,777.31 - Step 5: Solve for x
x = 334,612,151,777.31/576,013.94 - Step 6: Final answer
x = 580,909.82
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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.