Finding the Fourth Proportional to 682,402.93, 1,023,567.49 and 209,089.65
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Solution
The fourth proportional to 682,402.93, 1,023,567.49 and 209,089.65 is: 313,623.17
Step by Step Solution
- Step 1: Write the proportion equation
682,402.93 : 1,023,567.49 = 209,089.65 : x - Step 2: Convert to fraction form
682,402.93/1,023,567.49 = 209,089.65/x - Step 3: Cross multiply
682,402.93x = 1,023,567.49 × 209,089.65 - Step 4: Simplify right side
682,402.93x = 214,017,371,159.09 - Step 5: Solve for x
x = 214,017,371,159.09/682,402.93 - Step 6: Final answer
x = 313,623.17
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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.