Home / 782,576.10-1,173,431.61-242,682.66

Finding the Fourth Proportional to 782,576.10, 1,173,431.61 and 242,682.66

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Solution

The fourth proportional to 782,576.10, 1,173,431.61 and 242,682.66 is: 363,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,576.10 : 1,173,431.61 = 242,682.66 : x
  2. Step 2: Convert to fraction form
    782,576.10/1,173,431.61 = 242,682.66/x
  3. Step 3: Cross multiply
    782,576.10x = 1,173,431.61 × 242,682.66
  4. Step 4: Simplify right side
    782,576.10x = 284,771,504,442.88
  5. Step 5: Solve for x
    x = 284,771,504,442.88/782,576.10
  6. Step 6: Final answer
    x = 363,889.86

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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.