Finding the Fourth Proportional to 624,620.99, 861,977.26 and 338,141.08
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Solution
The fourth proportional to 624,620.99, 861,977.26 and 338,141.08 is: 466,634.85
Step by Step Solution
- Step 1: Write the proportion equation
624,620.99 : 861,977.26 = 338,141.08 : x - Step 2: Convert to fraction form
624,620.99/861,977.26 = 338,141.08/x - Step 3: Cross multiply
624,620.99x = 861,977.26 × 338,141.08 - Step 4: Simplify right side
624,620.99x = 291,469,921,631.84 - Step 5: Solve for x
x = 291,469,921,631.84/624,620.99 - Step 6: Final answer
x = 466,634.85
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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.