Finding the Fourth Proportional to 945,893.84, 1,305,372.69 and 538,067.54
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Solution
The fourth proportional to 945,893.84, 1,305,372.69 and 538,067.54 is: 742,555.51
Step by Step Solution
- Step 1: Write the proportion equation
945,893.84 : 1,305,372.69 = 538,067.54 : x - Step 2: Convert to fraction form
945,893.84/1,305,372.69 = 538,067.54/x - Step 3: Cross multiply
945,893.84x = 1,305,372.69 × 538,067.54 - Step 4: Simplify right side
945,893.84x = 702,378,675,354.91 - Step 5: Solve for x
x = 702,378,675,354.91/945,893.84 - Step 6: Final answer
x = 742,555.51
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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.