Finding the Fourth Proportional to 639,272.42, 882,527.58 and 466,996.96
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Solution
The fourth proportional to 639,272.42, 882,527.58 and 466,996.96 is: 644,698.07
Step by Step Solution
- Step 1: Write the proportion equation
639,272.42 : 882,527.58 = 466,996.96 : x - Step 2: Convert to fraction form
639,272.42/882,527.58 = 466,996.96/x - Step 3: Cross multiply
639,272.42x = 882,527.58 × 466,996.96 - Step 4: Simplify right side
639,272.42x = 412,137,696,976.16 - Step 5: Solve for x
x = 412,137,696,976.16/639,272.42 - Step 6: Final answer
x = 644,698.07
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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.