Finding the Fourth Proportional to 725,692.26, 1,088,541.86 and 220,257.63
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Solution
The fourth proportional to 725,692.26, 1,088,541.86 and 220,257.63 is: 330,387.50
Step by Step Solution
- Step 1: Write the proportion equation
725,692.26 : 1,088,541.86 = 220,257.63 : x - Step 2: Convert to fraction form
725,692.26/1,088,541.86 = 220,257.63/x - Step 3: Cross multiply
725,692.26x = 1,088,541.86 × 220,257.63 - Step 4: Simplify right side
725,692.26x = 239,759,649,138.10 - Step 5: Solve for x
x = 239,759,649,138.10/725,692.26 - Step 6: Final answer
x = 330,387.50
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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.