Home / 653,243.18-979,864.40-204,002.54

Finding the Fourth Proportional to 653,243.18, 979,864.40 and 204,002.54

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Solution

The fourth proportional to 653,243.18, 979,864.40 and 204,002.54 is: 306,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,243.18 : 979,864.40 = 204,002.54 : x
  2. Step 2: Convert to fraction form
    653,243.18/979,864.40 = 204,002.54/x
  3. Step 3: Cross multiply
    653,243.18x = 979,864.40 × 204,002.54
  4. Step 4: Simplify right side
    653,243.18x = 199,894,825,435.56
  5. Step 5: Solve for x
    x = 199,894,825,435.56/653,243.18
  6. Step 6: Final answer
    x = 306,003.69

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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.