Finding the Fourth Proportional to 718,250.21, 1,077,692.70 and 376,612.06
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Solution
The fourth proportional to 718,250.21, 1,077,692.70 and 376,612.06 is: 565,084.50
Step by Step Solution
- Step 1: Write the proportion equation
718,250.21 : 1,077,692.70 = 376,612.06 : x - Step 2: Convert to fraction form
718,250.21/1,077,692.70 = 376,612.06/x - Step 3: Cross multiply
718,250.21x = 1,077,692.70 × 376,612.06 - Step 4: Simplify right side
718,250.21x = 405,872,060,522.44 - Step 5: Solve for x
x = 405,872,060,522.44/718,250.21 - Step 6: Final answer
x = 565,084.50
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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.