Home / 653,013.28-979,898.08-273,900.24

Finding the Fourth Proportional to 653,013.28, 979,898.08 and 273,900.24

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Solution

The fourth proportional to 653,013.28, 979,898.08 and 273,900.24 is: 411,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,013.28 : 979,898.08 = 273,900.24 : x
  2. Step 2: Convert to fraction form
    653,013.28/979,898.08 = 273,900.24/x
  3. Step 3: Cross multiply
    653,013.28x = 979,898.08 × 273,900.24
  4. Step 4: Simplify right side
    653,013.28x = 268,394,319,287.54
  5. Step 5: Solve for x
    x = 268,394,319,287.54/653,013.28
  6. Step 6: Final answer
    x = 411,008.98

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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.