Finding the Fourth Proportional to 874,887.12, 1,312,206.06 and 275,770.41
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Solution
The fourth proportional to 874,887.12, 1,312,206.06 and 275,770.41 is: 413,616.33
Step by Step Solution
- Step 1: Write the proportion equation
874,887.12 : 1,312,206.06 = 275,770.41 : x - Step 2: Convert to fraction form
874,887.12/1,312,206.06 = 275,770.41/x - Step 3: Cross multiply
874,887.12x = 1,312,206.06 × 275,770.41 - Step 4: Simplify right side
874,887.12x = 361,867,603,170.69 - Step 5: Solve for x
x = 361,867,603,170.69/874,887.12 - Step 6: Final answer
x = 413,616.33
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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.