Finding the Fourth Proportional to 558,846.90, 771,187.23 and 317,115.09
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Solution
The fourth proportional to 558,846.90, 771,187.23 and 317,115.09 is: 437,606.63
Step by Step Solution
- Step 1: Write the proportion equation
558,846.90 : 771,187.23 = 317,115.09 : x - Step 2: Convert to fraction form
558,846.90/771,187.23 = 317,115.09/x - Step 3: Cross multiply
558,846.90x = 771,187.23 × 317,115.09 - Step 4: Simplify right side
558,846.90x = 244,555,107,848.30 - Step 5: Solve for x
x = 244,555,107,848.30/558,846.90 - Step 6: Final answer
x = 437,606.63
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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.