Finding the Fourth Proportional to 775,477.76, 1,163,272 and 206,855.68
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Solution
The fourth proportional to 775,477.76, 1,163,272 and 206,855.68 is: 310,298.29
Step by Step Solution
- Step 1: Write the proportion equation
775,477.76 : 1,163,272 = 206,855.68 : x - Step 2: Convert to fraction form
775,477.76/1,163,272 = 206,855.68/x - Step 3: Cross multiply
775,477.76x = 1,163,272 × 206,855.68 - Step 4: Simplify right side
775,477.76x = 240,629,420,584.96 - Step 5: Solve for x
x = 240,629,420,584.96/775,477.76 - Step 6: Final answer
x = 310,298.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.