Finding the Fourth Proportional to 878,020.84, 1,211,758.50 and 633,207.88
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Solution
The fourth proportional to 878,020.84, 1,211,758.50 and 633,207.88 is: 873,891.59
Step by Step Solution
- Step 1: Write the proportion equation
878,020.84 : 1,211,758.50 = 633,207.88 : x - Step 2: Convert to fraction form
878,020.84/1,211,758.50 = 633,207.88/x - Step 3: Cross multiply
878,020.84x = 1,211,758.50 × 633,207.88 - Step 4: Simplify right side
878,020.84x = 767,295,030,856.98 - Step 5: Solve for x
x = 767,295,030,856.98/878,020.84 - Step 6: Final answer
x = 873,891.59
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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.