Home / 691,431.32-1,037,179.83-336,021.95

Finding the Fourth Proportional to 691,431.32, 1,037,179.83 and 336,021.95

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Solution

The fourth proportional to 691,431.32, 1,037,179.83 and 336,021.95 is: 504,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,431.32 : 1,037,179.83 = 336,021.95 : x
  2. Step 2: Convert to fraction form
    691,431.32/1,037,179.83 = 336,021.95/x
  3. Step 3: Cross multiply
    691,431.32x = 1,037,179.83 × 336,021.95
  4. Step 4: Simplify right side
    691,431.32x = 348,515,188,977.27
  5. Step 5: Solve for x
    x = 348,515,188,977.27/691,431.32
  6. Step 6: Final answer
    x = 504,048.89

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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.