Finding the Fourth Proportional to 489,206.70, 733,810.06 and 489,206.70
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Solution
The fourth proportional to 489,206.70, 733,810.06 and 489,206.70 is: 733,810.06
Step by Step Solution
- Step 1: Write the proportion equation
489,206.70 : 733,810.06 = 489,206.70 : x - Step 2: Convert to fraction form
489,206.70/733,810.06 = 489,206.70/x - Step 3: Cross multiply
489,206.70x = 733,810.06 × 489,206.70 - Step 4: Simplify right side
489,206.70x = 358,984,797,879.40 - Step 5: Solve for x
x = 358,984,797,879.40/489,206.70 - Step 6: Final answer
x = 733,810.06
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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.