Finding the Fourth Proportional to 782,464.84, 1,173,776.82 and 270,063.28
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Solution
The fourth proportional to 782,464.84, 1,173,776.82 and 270,063.28 is: 405,122.38
Step by Step Solution
- Step 1: Write the proportion equation
782,464.84 : 1,173,776.82 = 270,063.28 : x - Step 2: Convert to fraction form
782,464.84/1,173,776.82 = 270,063.28/x - Step 3: Cross multiply
782,464.84x = 1,173,776.82 × 270,063.28 - Step 4: Simplify right side
782,464.84x = 316,994,017,997.17 - Step 5: Solve for x
x = 316,994,017,997.17/782,464.84 - Step 6: Final answer
x = 405,122.38
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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.