Finding the Fourth Proportional to 583,571.20, 805,992.55 and 392,252.44
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Solution
The fourth proportional to 583,571.20, 805,992.55 and 392,252.44 is: 541,754.88
Step by Step Solution
- Step 1: Write the proportion equation
583,571.20 : 805,992.55 = 392,252.44 : x - Step 2: Convert to fraction form
583,571.20/805,992.55 = 392,252.44/x - Step 3: Cross multiply
583,571.20x = 805,992.55 × 392,252.44 - Step 4: Simplify right side
583,571.20x = 316,152,540,329.36 - Step 5: Solve for x
x = 316,152,540,329.36/583,571.20 - Step 6: Final answer
x = 541,754.88
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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.