Finding the Fourth Proportional to 1,214,464.23, 1,821,378.33 and 361,306.08
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Solution
The fourth proportional to 1,214,464.23, 1,821,378.33 and 361,306.08 is: 541,864.51
Step by Step Solution
- Step 1: Write the proportion equation
1,214,464.23 : 1,821,378.33 = 361,306.08 : x - Step 2: Convert to fraction form
1,214,464.23/1,821,378.33 = 361,306.08/x - Step 3: Cross multiply
1,214,464.23x = 1,821,378.33 × 361,306.08 - Step 4: Simplify right side
1,214,464.23x = 658,075,064,609.25 - Step 5: Solve for x
x = 658,075,064,609.25/1,214,464.23 - Step 6: Final answer
x = 541,864.51
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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.