Finding the Fourth Proportional to 1,476,760.20, 2,215,140.30 and 804,913.80
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Solution
The fourth proportional to 1,476,760.20, 2,215,140.30 and 804,913.80 is: 1,207,370.70
Step by Step Solution
- Step 1: Write the proportion equation
1,476,760.20 : 2,215,140.30 = 804,913.80 : x - Step 2: Convert to fraction form
1,476,760.20/2,215,140.30 = 804,913.80/x - Step 3: Cross multiply
1,476,760.20x = 2,215,140.30 × 804,913.80 - Step 4: Simplify right side
1,476,760.20x = 1,782,996,996,406.14 - Step 5: Solve for x
x = 1,782,996,996,406.14/1,476,760.20 - Step 6: Final answer
x = 1,207,370.70
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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.