Finding the Fourth Proportional to 887,295.16, 1,330,680.30 and 256,214.44
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Solution
The fourth proportional to 887,295.16, 1,330,680.30 and 256,214.44 is: 384,245.88
Step by Step Solution
- Step 1: Write the proportion equation
887,295.16 : 1,330,680.30 = 256,214.44 : x - Step 2: Convert to fraction form
887,295.16/1,330,680.30 = 256,214.44/x - Step 3: Cross multiply
887,295.16x = 1,330,680.30 × 256,214.44 - Step 4: Simplify right side
887,295.16x = 340,939,507,883.53 - Step 5: Solve for x
x = 340,939,507,883.53/887,295.16 - Step 6: Final answer
x = 384,245.88
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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.