Finding the Fourth Proportional to 1,034,128.70, 1,551,338.85 and 324,082.70
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Solution
The fourth proportional to 1,034,128.70, 1,551,338.85 and 324,082.70 is: 486,169.74
Step by Step Solution
- Step 1: Write the proportion equation
1,034,128.70 : 1,551,338.85 = 324,082.70 : x - Step 2: Convert to fraction form
1,034,128.70/1,551,338.85 = 324,082.70/x - Step 3: Cross multiply
1,034,128.70x = 1,551,338.85 × 324,082.70 - Step 4: Simplify right side
1,034,128.70x = 502,762,083,122.90 - Step 5: Solve for x
x = 502,762,083,122.90/1,034,128.70 - Step 6: Final answer
x = 486,169.74
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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.