Finding the Fourth Proportional to 886,992.70, 1,330,489.05 and 255,927.10
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Solution
The fourth proportional to 886,992.70, 1,330,489.05 and 255,927.10 is: 383,890.65
Step by Step Solution
- Step 1: Write the proportion equation
886,992.70 : 1,330,489.05 = 255,927.10 : x - Step 2: Convert to fraction form
886,992.70/1,330,489.05 = 255,927.10/x - Step 3: Cross multiply
886,992.70x = 1,330,489.05 × 255,927.10 - Step 4: Simplify right side
886,992.70x = 340,508,204,148.26 - Step 5: Solve for x
x = 340,508,204,148.26/886,992.70 - Step 6: Final answer
x = 383,890.65
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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.