Finding the Fourth Proportional to 639,270.42, 882,524.82 and 466,994.96
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Solution
The fourth proportional to 639,270.42, 882,524.82 and 466,994.96 is: 644,695.31
Step by Step Solution
- Step 1: Write the proportion equation
639,270.42 : 882,524.82 = 466,994.96 : x - Step 2: Convert to fraction form
639,270.42/882,524.82 = 466,994.96/x - Step 3: Cross multiply
639,270.42x = 882,524.82 × 466,994.96 - Step 4: Simplify right side
639,270.42x = 412,134,643,014.91 - Step 5: Solve for x
x = 412,134,643,014.91/639,270.42 - Step 6: Final answer
x = 644,695.31
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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.