Finding the Fourth Proportional to 673,390.16, 1,008,782.65 and 564,020.99
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Solution
The fourth proportional to 673,390.16, 1,008,782.65 and 564,020.99 is: 844,940.45
Step by Step Solution
- Step 1: Write the proportion equation
673,390.16 : 1,008,782.65 = 564,020.99 : x - Step 2: Convert to fraction form
673,390.16/1,008,782.65 = 564,020.99/x - Step 3: Cross multiply
673,390.16x = 1,008,782.65 × 564,020.99 - Step 4: Simplify right side
673,390.16x = 568,974,581,083.81 - Step 5: Solve for x
x = 568,974,581,083.81/673,390.16 - Step 6: Final answer
x = 844,940.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.