Finding the Fourth Proportional to 746,357.28, 1,119,540.96 and 272,847.84
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Solution
The fourth proportional to 746,357.28, 1,119,540.96 and 272,847.84 is: 409,273.60
Step by Step Solution
- Step 1: Write the proportion equation
746,357.28 : 1,119,540.96 = 272,847.84 : x - Step 2: Convert to fraction form
746,357.28/1,119,540.96 = 272,847.84/x - Step 3: Cross multiply
746,357.28x = 1,119,540.96 × 272,847.84 - Step 4: Simplify right side
746,357.28x = 305,464,332,727.53 - Step 5: Solve for x
x = 305,464,332,727.53/746,357.28 - Step 6: Final answer
x = 409,273.60
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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.