Finding the Fourth Proportional to 720,511.14, 1,080,785.24 and 341,343.06
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Solution
The fourth proportional to 720,511.14, 1,080,785.24 and 341,343.06 is: 512,023.37
Step by Step Solution
- Step 1: Write the proportion equation
720,511.14 : 1,080,785.24 = 341,343.06 : x - Step 2: Convert to fraction form
720,511.14/1,080,785.24 = 341,343.06/x - Step 3: Cross multiply
720,511.14x = 1,080,785.24 × 341,343.06 - Step 4: Simplify right side
720,511.14x = 368,918,541,024.43 - Step 5: Solve for x
x = 368,918,541,024.43/720,511.14 - Step 6: Final answer
x = 512,023.37
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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.