Finding the Fourth Proportional to 508,747.80, 763,467.30 and 284,107.80
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Solution
The fourth proportional to 508,747.80, 763,467.30 and 284,107.80 is: 426,354.70
Step by Step Solution
- Step 1: Write the proportion equation
508,747.80 : 763,467.30 = 284,107.80 : x - Step 2: Convert to fraction form
508,747.80/763,467.30 = 284,107.80/x - Step 3: Cross multiply
508,747.80x = 763,467.30 × 284,107.80 - Step 4: Simplify right side
508,747.80x = 216,907,014,974.94 - Step 5: Solve for x
x = 216,907,014,974.94/508,747.80 - Step 6: Final answer
x = 426,354.70
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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.