Finding the Fourth Proportional to 761,224.79, 1,141,855.71 and 255,793.09
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Solution
The fourth proportional to 761,224.79, 1,141,855.71 and 255,793.09 is: 383,695.86
Step by Step Solution
- Step 1: Write the proportion equation
761,224.79 : 1,141,855.71 = 255,793.09 : x - Step 2: Convert to fraction form
761,224.79/1,141,855.71 = 255,793.09/x - Step 3: Cross multiply
761,224.79x = 1,141,855.71 × 255,793.09 - Step 4: Simplify right side
761,224.79x = 292,078,797,540.41 - Step 5: Solve for x
x = 292,078,797,540.41/761,224.79 - Step 6: Final answer
x = 383,695.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.