Finding the Fourth Proportional to 489,207.80, 733,811.70 and 371,109.80
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Solution
The fourth proportional to 489,207.80, 733,811.70 and 371,109.80 is: 556,664.70
Step by Step Solution
- Step 1: Write the proportion equation
489,207.80 : 733,811.70 = 371,109.80 : x - Step 2: Convert to fraction form
489,207.80/733,811.70 = 371,109.80/x - Step 3: Cross multiply
489,207.80x = 733,811.70 × 371,109.80 - Step 4: Simplify right side
489,207.80x = 272,324,713,224.66 - Step 5: Solve for x
x = 272,324,713,224.66/489,207.80 - Step 6: Final answer
x = 556,664.70
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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.