Home / 853,974.76-1,178,489.84-466,790.71

Finding the Fourth Proportional to 853,974.76, 1,178,489.84 and 466,790.71

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Solution

The fourth proportional to 853,974.76, 1,178,489.84 and 466,790.71 is: 644,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,974.76 : 1,178,489.84 = 466,790.71 : x
  2. Step 2: Convert to fraction form
    853,974.76/1,178,489.84 = 466,790.71/x
  3. Step 3: Cross multiply
    853,974.76x = 1,178,489.84 × 466,790.71
  4. Step 4: Simplify right side
    853,974.76x = 550,108,109,141.39
  5. Step 5: Solve for x
    x = 550,108,109,141.39/853,974.76
  6. Step 6: Final answer
    x = 644,173.73

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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.