Finding the Fourth Proportional to 843,012.26, 1,163,354.36 and 455,824.98
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Solution
The fourth proportional to 843,012.26, 1,163,354.36 and 455,824.98 is: 629,037.09
Step by Step Solution
- Step 1: Write the proportion equation
843,012.26 : 1,163,354.36 = 455,824.98 : x - Step 2: Convert to fraction form
843,012.26/1,163,354.36 = 455,824.98/x - Step 3: Cross multiply
843,012.26x = 1,163,354.36 × 455,824.98 - Step 4: Simplify right side
843,012.26x = 530,285,973,202.70 - Step 5: Solve for x
x = 530,285,973,202.70/843,012.26 - Step 6: Final answer
x = 629,037.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.