Finding the Fourth Proportional to 949,380.18, 1,310,146.24 and 513,797.92
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Solution
The fourth proportional to 949,380.18, 1,310,146.24 and 513,797.92 is: 709,041.99
Step by Step Solution
- Step 1: Write the proportion equation
949,380.18 : 1,310,146.24 = 513,797.92 : x - Step 2: Convert to fraction form
949,380.18/1,310,146.24 = 513,797.92/x - Step 3: Cross multiply
949,380.18x = 1,310,146.24 × 513,797.92 - Step 4: Simplify right side
949,380.18x = 673,150,409,411.33 - Step 5: Solve for x
x = 673,150,409,411.33/949,380.18 - Step 6: Final answer
x = 709,041.99
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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.