Home / 436,472.64-654,636.06-120,961.44

Finding the Fourth Proportional to 436,472.64, 654,636.06 and 120,961.44

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Solution

The fourth proportional to 436,472.64, 654,636.06 and 120,961.44 is: 181,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,472.64 : 654,636.06 = 120,961.44 : x
  2. Step 2: Convert to fraction form
    436,472.64/654,636.06 = 120,961.44/x
  3. Step 3: Cross multiply
    436,472.64x = 654,636.06 × 120,961.44
  4. Step 4: Simplify right side
    436,472.64x = 79,185,720,493.53
  5. Step 5: Solve for x
    x = 79,185,720,493.53/436,472.64
  6. Step 6: Final answer
    x = 181,421.96

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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.