Home / 825,756-1,139,545.20-481,828.38

Finding the Fourth Proportional to 825,756, 1,139,545.20 and 481,828.38

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Solution

The fourth proportional to 825,756, 1,139,545.20 and 481,828.38 is: 664,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,756 : 1,139,545.20 = 481,828.38 : x
  2. Step 2: Convert to fraction form
    825,756/1,139,545.20 = 481,828.38/x
  3. Step 3: Cross multiply
    825,756x = 1,139,545.20 × 481,828.38
  4. Step 4: Simplify right side
    825,756x = 549,065,217,652.78
  5. Step 5: Solve for x
    x = 549,065,217,652.78/825,756
  6. Step 6: Final answer
    x = 664,924.28

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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.