Finding the Fourth Proportional to 977,660.20, 1,466,490.30 and 267,687.10
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Solution
The fourth proportional to 977,660.20, 1,466,490.30 and 267,687.10 is: 401,530.65
Step by Step Solution
- Step 1: Write the proportion equation
977,660.20 : 1,466,490.30 = 267,687.10 : x - Step 2: Convert to fraction form
977,660.20/1,466,490.30 = 267,687.10/x - Step 3: Cross multiply
977,660.20x = 1,466,490.30 × 267,687.10 - Step 4: Simplify right side
977,660.20x = 392,560,535,585.13 - Step 5: Solve for x
x = 392,560,535,585.13/977,660.20 - Step 6: Final answer
x = 401,530.65
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Similar ratio
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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.