Finding the Fourth Proportional to 1,034,163.70, 1,551,245.55 and 286,209.70
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Solution
The fourth proportional to 1,034,163.70, 1,551,245.55 and 286,209.70 is: 429,314.55
Step by Step Solution
- Step 1: Write the proportion equation
1,034,163.70 : 1,551,245.55 = 286,209.70 : x - Step 2: Convert to fraction form
1,034,163.70/1,551,245.55 = 286,209.70/x - Step 3: Cross multiply
1,034,163.70x = 1,551,245.55 × 286,209.70 - Step 4: Simplify right side
1,034,163.70x = 443,981,523,491.84 - Step 5: Solve for x
x = 443,981,523,491.84/1,034,163.70 - Step 6: Final answer
x = 429,314.55
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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.