Finding the Fourth Proportional to 827,488.34, 1,241,230.68 and 220,276.79
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Solution
The fourth proportional to 827,488.34, 1,241,230.68 and 220,276.79 is: 330,414.70
Step by Step Solution
- Step 1: Write the proportion equation
827,488.34 : 1,241,230.68 = 220,276.79 : x - Step 2: Convert to fraction form
827,488.34/1,241,230.68 = 220,276.79/x - Step 3: Cross multiply
827,488.34x = 1,241,230.68 × 220,276.79 - Step 4: Simplify right side
827,488.34x = 273,414,308,288.38 - Step 5: Solve for x
x = 273,414,308,288.38/827,488.34 - Step 6: Final answer
x = 330,414.70
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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.