Finding the Fourth Proportional to 489,209.70, 733,814.56 and 489,209.70
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Solution
The fourth proportional to 489,209.70, 733,814.56 and 489,209.70 is: 733,814.56
Step by Step Solution
- Step 1: Write the proportion equation
489,209.70 : 733,814.56 = 489,209.70 : x - Step 2: Convert to fraction form
489,209.70/733,814.56 = 489,209.70/x - Step 3: Cross multiply
489,209.70x = 733,814.56 × 489,209.70 - Step 4: Simplify right side
489,209.70x = 358,989,200,753.23 - Step 5: Solve for x
x = 358,989,200,753.23/489,209.70 - Step 6: Final answer
x = 733,814.56
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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.