Finding the Fourth Proportional to 734,855.20, 1,102,282.80 and 699,863.20
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Solution
The fourth proportional to 734,855.20, 1,102,282.80 and 699,863.20 is: 1,049,794.80
Step by Step Solution
- Step 1: Write the proportion equation
734,855.20 : 1,102,282.80 = 699,863.20 : x - Step 2: Convert to fraction form
734,855.20/1,102,282.80 = 699,863.20/x - Step 3: Cross multiply
734,855.20x = 1,102,282.80 × 699,863.20 - Step 4: Simplify right side
734,855.20x = 771,447,167,712.96 - Step 5: Solve for x
x = 771,447,167,712.96/734,855.20 - Step 6: Final answer
x = 1,049,794.80
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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.