Home / 653,247.10-979,870.19-204,006.47

Finding the Fourth Proportional to 653,247.10, 979,870.19 and 204,006.47

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Solution

The fourth proportional to 653,247.10, 979,870.19 and 204,006.47 is: 306,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,247.10 : 979,870.19 = 204,006.47 : x
  2. Step 2: Convert to fraction form
    653,247.10/979,870.19 = 204,006.47/x
  3. Step 3: Cross multiply
    653,247.10x = 979,870.19 × 204,006.47
  4. Step 4: Simplify right side
    653,247.10x = 199,899,856,580.47
  5. Step 5: Solve for x
    x = 199,899,856,580.47/653,247.10
  6. Step 6: Final answer
    x = 306,009.56

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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.