Finding the Fourth Proportional to 725,965.08, 1,088,947.28 and 220,524.09
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Solution
The fourth proportional to 725,965.08, 1,088,947.28 and 220,524.09 is: 330,786.04
Step by Step Solution
- Step 1: Write the proportion equation
725,965.08 : 1,088,947.28 = 220,524.09 : x - Step 2: Convert to fraction form
725,965.08/1,088,947.28 = 220,524.09/x - Step 3: Cross multiply
725,965.08x = 1,088,947.28 × 220,524.09 - Step 4: Simplify right side
725,965.08x = 240,139,113,325.63 - Step 5: Solve for x
x = 240,139,113,325.63/725,965.08 - Step 6: Final answer
x = 330,786.04
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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.