Home / 653,111.72-979,782.39-298,161.62

Finding the Fourth Proportional to 653,111.72, 979,782.39 and 298,161.62

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Solution

The fourth proportional to 653,111.72, 979,782.39 and 298,161.62 is: 447,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,111.72 : 979,782.39 = 298,161.62 : x
  2. Step 2: Convert to fraction form
    653,111.72/979,782.39 = 298,161.62/x
  3. Step 3: Cross multiply
    653,111.72x = 979,782.39 × 298,161.62
  4. Step 4: Simplify right side
    653,111.72x = 292,133,504,649.87
  5. Step 5: Solve for x
    x = 292,133,504,649.87/653,111.72
  6. Step 6: Final answer
    x = 447,294.84

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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.