Finding the Fourth Proportional to 882,318.24, 1,323,449.64 and 485,453.58
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Solution
The fourth proportional to 882,318.24, 1,323,449.64 and 485,453.58 is: 728,165.12
Step by Step Solution
- Step 1: Write the proportion equation
882,318.24 : 1,323,449.64 = 485,453.58 : x - Step 2: Convert to fraction form
882,318.24/1,323,449.64 = 485,453.58/x - Step 3: Cross multiply
882,318.24x = 1,323,449.64 × 485,453.58 - Step 4: Simplify right side
882,318.24x = 642,473,365,687.71 - Step 5: Solve for x
x = 642,473,365,687.71/882,318.24 - Step 6: Final answer
x = 728,165.12
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1.5x scale
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.