Finding the Fourth Proportional to 752,235.75, 1,038,103.56 and 412,704
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Solution
The fourth proportional to 752,235.75, 1,038,103.56 and 412,704 is: 569,541.52
Step by Step Solution
- Step 1: Write the proportion equation
752,235.75 : 1,038,103.56 = 412,704 : x - Step 2: Convert to fraction form
752,235.75/1,038,103.56 = 412,704/x - Step 3: Cross multiply
752,235.75x = 1,038,103.56 × 412,704 - Step 4: Simplify right side
752,235.75x = 428,429,491,626.24 - Step 5: Solve for x
x = 428,429,491,626.24/752,235.75 - Step 6: Final answer
x = 569,541.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.