Finding the Fourth Proportional to 494,805.71, 682,774.34 and 277,026.68
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Solution
The fourth proportional to 494,805.71, 682,774.34 and 277,026.68 is: 382,264.61
Step by Step Solution
- Step 1: Write the proportion equation
494,805.71 : 682,774.34 = 277,026.68 : x - Step 2: Convert to fraction form
494,805.71/682,774.34 = 277,026.68/x - Step 3: Cross multiply
494,805.71x = 682,774.34 × 277,026.68 - Step 4: Simplify right side
494,805.71x = 189,146,712,279.10 - Step 5: Solve for x
x = 189,146,712,279.10/494,805.71 - Step 6: Final answer
x = 382,264.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.