Home / 436,433.72-654,650.57-120,890.72

Finding the Fourth Proportional to 436,433.72, 654,650.57 and 120,890.72

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Solution

The fourth proportional to 436,433.72, 654,650.57 and 120,890.72 is: 181,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,433.72 : 654,650.57 = 120,890.72 : x
  2. Step 2: Convert to fraction form
    436,433.72/654,650.57 = 120,890.72/x
  3. Step 3: Cross multiply
    436,433.72x = 654,650.57 × 120,890.72
  4. Step 4: Simplify right side
    436,433.72x = 79,141,180,694.56
  5. Step 5: Solve for x
    x = 79,141,180,694.56/436,433.72
  6. Step 6: Final answer
    x = 181,336.08

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Similar ratio
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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.