Finding the Fourth Proportional to 950,372.12, 1,425,770.97 and 319,268.72
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Solution
The fourth proportional to 950,372.12, 1,425,770.97 and 319,268.72 is: 478,974.56
Step by Step Solution
- Step 1: Write the proportion equation
950,372.12 : 1,425,770.97 = 319,268.72 : x - Step 2: Convert to fraction form
950,372.12/1,425,770.97 = 319,268.72/x - Step 3: Cross multiply
950,372.12x = 1,425,770.97 × 319,268.72 - Step 4: Simplify right side
950,372.12x = 455,204,072,605.06 - Step 5: Solve for x
x = 455,204,072,605.06/950,372.12 - Step 6: Final answer
x = 478,974.56
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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.