Finding the Fourth Proportional to 720,454.21, 1,080,800.12 and 299,759.65
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Solution
The fourth proportional to 720,454.21, 1,080,800.12 and 299,759.65 is: 449,688.91
Step by Step Solution
- Step 1: Write the proportion equation
720,454.21 : 1,080,800.12 = 299,759.65 : x - Step 2: Convert to fraction form
720,454.21/1,080,800.12 = 299,759.65/x - Step 3: Cross multiply
720,454.21x = 1,080,800.12 × 299,759.65 - Step 4: Simplify right side
720,454.21x = 323,980,265,691.16 - Step 5: Solve for x
x = 323,980,265,691.16/720,454.21 - Step 6: Final answer
x = 449,688.91
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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.