Finding the Fourth Proportional to 557,489.36, 769,340.68 and 302,845.52
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Solution
The fourth proportional to 557,489.36, 769,340.68 and 302,845.52 is: 417,929.73
Step by Step Solution
- Step 1: Write the proportion equation
557,489.36 : 769,340.68 = 302,845.52 : x - Step 2: Convert to fraction form
557,489.36/769,340.68 = 302,845.52/x - Step 3: Cross multiply
557,489.36x = 769,340.68 × 302,845.52 - Step 4: Simplify right side
557,489.36x = 232,991,378,291.75 - Step 5: Solve for x
x = 232,991,378,291.75/557,489.36 - Step 6: Final answer
x = 417,929.73
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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.