Home / 863,012.99-1,294,311.83-263,979.41

Finding the Fourth Proportional to 863,012.99, 1,294,311.83 and 263,979.41

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Solution

The fourth proportional to 863,012.99, 1,294,311.83 and 263,979.41 is: 395,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,012.99 : 1,294,311.83 = 263,979.41 : x
  2. Step 2: Convert to fraction form
    863,012.99/1,294,311.83 = 263,979.41/x
  3. Step 3: Cross multiply
    863,012.99x = 1,294,311.83 × 263,979.41
  4. Step 4: Simplify right side
    863,012.99x = 341,671,671,919.52
  5. Step 5: Solve for x
    x = 341,671,671,919.52/863,012.99
  6. Step 6: Final answer
    x = 395,905.60

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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.