Finding the Fourth Proportional to 636,793.14, 878,739.87 and 350,266.98
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Solution
The fourth proportional to 636,793.14, 878,739.87 and 350,266.98 is: 483,349.37
Step by Step Solution
- Step 1: Write the proportion equation
636,793.14 : 878,739.87 = 350,266.98 : x - Step 2: Convert to fraction form
636,793.14/878,739.87 = 350,266.98/x - Step 3: Cross multiply
636,793.14x = 878,739.87 × 350,266.98 - Step 4: Simplify right side
636,793.14x = 307,793,560,470.49 - Step 5: Solve for x
x = 307,793,560,470.49/636,793.14 - Step 6: Final answer
x = 483,349.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.