Home / 653,110.72-979,780.89-298,160.62

Finding the Fourth Proportional to 653,110.72, 979,780.89 and 298,160.62

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Solution

The fourth proportional to 653,110.72, 979,780.89 and 298,160.62 is: 447,293.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,110.72 : 979,780.89 = 298,160.62 : x
  2. Step 2: Convert to fraction form
    653,110.72/979,780.89 = 298,160.62/x
  3. Step 3: Cross multiply
    653,110.72x = 979,780.89 × 298,160.62
  4. Step 4: Simplify right side
    653,110.72x = 292,132,077,626.55
  5. Step 5: Solve for x
    x = 292,132,077,626.55/653,110.72
  6. Step 6: Final answer
    x = 447,293.34

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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.