Finding the Fourth Proportional to 489,269.20, 733,903.80 and 453,839.80
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Solution
The fourth proportional to 489,269.20, 733,903.80 and 453,839.80 is: 680,759.70
Step by Step Solution
- Step 1: Write the proportion equation
489,269.20 : 733,903.80 = 453,839.80 : x - Step 2: Convert to fraction form
489,269.20/733,903.80 = 453,839.80/x - Step 3: Cross multiply
489,269.20x = 733,903.80 × 453,839.80 - Step 4: Simplify right side
489,269.20x = 333,074,753,811.24 - Step 5: Solve for x
x = 333,074,753,811.24/489,269.20 - Step 6: Final answer
x = 680,759.70
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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.