Finding the Fourth Proportional to 639,616.96, 882,633.36 and 349,170.58
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Solution
The fourth proportional to 639,616.96, 882,633.36 and 349,170.58 is: 481,834.63
Step by Step Solution
- Step 1: Write the proportion equation
639,616.96 : 882,633.36 = 349,170.58 : x - Step 2: Convert to fraction form
639,616.96/882,633.36 = 349,170.58/x - Step 3: Cross multiply
639,616.96x = 882,633.36 × 349,170.58 - Step 4: Simplify right side
639,616.96x = 308,189,602,238.55 - Step 5: Solve for x
x = 308,189,602,238.55/639,616.96 - Step 6: Final answer
x = 481,834.63
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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.