Finding the Fourth Proportional to 556,745.30, 835,117.95 and 415,027.70
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Solution
The fourth proportional to 556,745.30, 835,117.95 and 415,027.70 is: 622,541.55
Step by Step Solution
- Step 1: Write the proportion equation
556,745.30 : 835,117.95 = 415,027.70 : x - Step 2: Convert to fraction form
556,745.30/835,117.95 = 415,027.70/x - Step 3: Cross multiply
556,745.30x = 835,117.95 × 415,027.70 - Step 4: Simplify right side
556,745.30x = 346,597,082,017.22 - Step 5: Solve for x
x = 346,597,082,017.22/556,745.30 - Step 6: Final answer
x = 622,541.55
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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.