Finding the Fourth Proportional to 591,793.40, 888,246.90 and 311,511.80
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Solution
The fourth proportional to 591,793.40, 888,246.90 and 311,511.80 is: 467,560.79
Step by Step Solution
- Step 1: Write the proportion equation
591,793.40 : 888,246.90 = 311,511.80 : x - Step 2: Convert to fraction form
591,793.40/888,246.90 = 311,511.80/x - Step 3: Cross multiply
591,793.40x = 888,246.90 × 311,511.80 - Step 4: Simplify right side
591,793.40x = 276,699,390,663.42 - Step 5: Solve for x
x = 276,699,390,663.42/591,793.40 - Step 6: Final answer
x = 467,560.79
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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.