Home / 759,817.88-1,139,160.54-254,079.80

Finding the Fourth Proportional to 759,817.88, 1,139,160.54 and 254,079.80

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Solution

The fourth proportional to 759,817.88, 1,139,160.54 and 254,079.80 is: 380,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,817.88 : 1,139,160.54 = 254,079.80 : x
  2. Step 2: Convert to fraction form
    759,817.88/1,139,160.54 = 254,079.80/x
  3. Step 3: Cross multiply
    759,817.88x = 1,139,160.54 × 254,079.80
  4. Step 4: Simplify right side
    759,817.88x = 289,437,682,171.09
  5. Step 5: Solve for x
    x = 289,437,682,171.09/759,817.88
  6. Step 6: Final answer
    x = 380,930.34

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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.