Finding the Fourth Proportional to 873,850.70, 1,311,285.45 and 368,380.70
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Solution
The fourth proportional to 873,850.70, 1,311,285.45 and 368,380.70 is: 552,785.79
Step by Step Solution
- Step 1: Write the proportion equation
873,850.70 : 1,311,285.45 = 368,380.70 : x - Step 2: Convert to fraction form
873,850.70/1,311,285.45 = 368,380.70/x - Step 3: Cross multiply
873,850.70x = 1,311,285.45 × 368,380.70 - Step 4: Simplify right side
873,850.70x = 483,052,251,970.82 - Step 5: Solve for x
x = 483,052,251,970.82/873,850.70 - Step 6: Final answer
x = 552,785.79
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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.