Finding the Fourth Proportional to 694,294.56, 1,040,758.67 and 405,739.96
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Solution
The fourth proportional to 694,294.56, 1,040,758.67 and 405,739.96 is: 608,210.70
Step by Step Solution
- Step 1: Write the proportion equation
694,294.56 : 1,040,758.67 = 405,739.96 : x - Step 2: Convert to fraction form
694,294.56/1,040,758.67 = 405,739.96/x - Step 3: Cross multiply
694,294.56x = 1,040,758.67 × 405,739.96 - Step 4: Simplify right side
694,294.56x = 422,277,379,547.91 - Step 5: Solve for x
x = 422,277,379,547.91/694,294.56 - Step 6: Final answer
x = 608,210.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.