Finding the Fourth Proportional to 548,937.80, 823,406.70 and 371,529.80
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Solution
The fourth proportional to 548,937.80, 823,406.70 and 371,529.80 is: 557,294.70
Step by Step Solution
- Step 1: Write the proportion equation
548,937.80 : 823,406.70 = 371,529.80 : x - Step 2: Convert to fraction form
548,937.80/823,406.70 = 371,529.80/x - Step 3: Cross multiply
548,937.80x = 823,406.70 × 371,529.80 - Step 4: Simplify right side
548,937.80x = 305,920,126,569.66 - Step 5: Solve for x
x = 305,920,126,569.66/548,937.80 - Step 6: Final answer
x = 557,294.70
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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.