Finding the Fourth Proportional to 748,463.28, 1,032,879.70 and 404,299.19
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Solution
The fourth proportional to 748,463.28, 1,032,879.70 and 404,299.19 is: 557,933.09
Step by Step Solution
- Step 1: Write the proportion equation
748,463.28 : 1,032,879.70 = 404,299.19 : x - Step 2: Convert to fraction form
748,463.28/1,032,879.70 = 404,299.19/x - Step 3: Cross multiply
748,463.28x = 1,032,879.70 × 404,299.19 - Step 4: Simplify right side
748,463.28x = 417,592,429,165.02 - Step 5: Solve for x
x = 417,592,429,165.02/748,463.28 - Step 6: Final answer
x = 557,933.09
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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.