Home / 653,113.72-979,785.39-298,163.62

Finding the Fourth Proportional to 653,113.72, 979,785.39 and 298,163.62

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Solution

The fourth proportional to 653,113.72, 979,785.39 and 298,163.62 is: 447,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,113.72 : 979,785.39 = 298,163.62 : x
  2. Step 2: Convert to fraction form
    653,113.72/979,785.39 = 298,163.62/x
  3. Step 3: Cross multiply
    653,113.72x = 979,785.39 × 298,163.62
  4. Step 4: Simplify right side
    653,113.72x = 292,136,358,705.51
  5. Step 5: Solve for x
    x = 292,136,358,705.51/653,113.72
  6. Step 6: Final answer
    x = 447,297.84

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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.