Finding the Fourth Proportional to 1,115,241.13, 1,672,858.62 and 316,523.44
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Solution
The fourth proportional to 1,115,241.13, 1,672,858.62 and 316,523.44 is: 474,784.29
Step by Step Solution
- Step 1: Write the proportion equation
1,115,241.13 : 1,672,858.62 = 316,523.44 : x - Step 2: Convert to fraction form
1,115,241.13/1,672,858.62 = 316,523.44/x - Step 3: Cross multiply
1,115,241.13x = 1,672,858.62 × 316,523.44 - Step 4: Simplify right side
1,115,241.13x = 529,498,965,036.05 - Step 5: Solve for x
x = 529,498,965,036.05/1,115,241.13 - Step 6: Final answer
x = 474,784.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.