Finding the Fourth Proportional to 896,138.10, 1,344,207.15 and 827,709.30
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Solution
The fourth proportional to 896,138.10, 1,344,207.15 and 827,709.30 is: 1,241,563.95
Step by Step Solution
- Step 1: Write the proportion equation
896,138.10 : 1,344,207.15 = 827,709.30 : x - Step 2: Convert to fraction form
896,138.10/1,344,207.15 = 827,709.30/x - Step 3: Cross multiply
896,138.10x = 1,344,207.15 × 827,709.30 - Step 4: Simplify right side
896,138.10x = 1,112,612,759,181.49 - Step 5: Solve for x
x = 1,112,612,759,181.49/896,138.10 - Step 6: Final answer
x = 1,241,563.95
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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.