Finding the Fourth Proportional to 827,371.92, 1,141,648.97 and 464,726.31
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Solution
The fourth proportional to 827,371.92, 1,141,648.97 and 464,726.31 is: 641,252.50
Step by Step Solution
- Step 1: Write the proportion equation
827,371.92 : 1,141,648.97 = 464,726.31 : x - Step 2: Convert to fraction form
827,371.92/1,141,648.97 = 464,726.31/x - Step 3: Cross multiply
827,371.92x = 1,141,648.97 × 464,726.31 - Step 4: Simplify right side
827,371.92x = 530,554,312,960.36 - Step 5: Solve for x
x = 530,554,312,960.36/827,371.92 - Step 6: Final answer
x = 641,252.50
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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.