Finding the Fourth Proportional to 874,449.37, 1,311,549.48 and 275,394.95
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Solution
The fourth proportional to 874,449.37, 1,311,549.48 and 275,394.95 is: 413,053.19
Step by Step Solution
- Step 1: Write the proportion equation
874,449.37 : 1,311,549.48 = 275,394.95 : x - Step 2: Convert to fraction form
874,449.37/1,311,549.48 = 275,394.95/x - Step 3: Cross multiply
874,449.37x = 1,311,549.48 × 275,394.95 - Step 4: Simplify right side
874,449.37x = 361,194,096,909.38 - Step 5: Solve for x
x = 361,194,096,909.38/874,449.37 - Step 6: Final answer
x = 413,053.19
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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.