Finding the Fourth Proportional to 856,163.60, 1,283,323.80 and 323,478.80
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Solution
The fourth proportional to 856,163.60, 1,283,323.80 and 323,478.80 is: 484,870.00
Step by Step Solution
- Step 1: Write the proportion equation
856,163.60 : 1,283,323.80 = 323,478.80 : x - Step 2: Convert to fraction form
856,163.60/1,283,323.80 = 323,478.80/x - Step 3: Cross multiply
856,163.60x = 1,283,323.80 × 323,478.80 - Step 4: Simplify right side
856,163.60x = 415,128,042,835.44 - Step 5: Solve for x
x = 415,128,042,835.44/856,163.60 - Step 6: Final answer
x = 484,870.00
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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.