Home / 756,679.46-1,135,353.54-396,764.36

Finding the Fourth Proportional to 756,679.46, 1,135,353.54 and 396,764.36

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Solution

The fourth proportional to 756,679.46, 1,135,353.54 and 396,764.36 is: 595,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,679.46 : 1,135,353.54 = 396,764.36 : x
  2. Step 2: Convert to fraction form
    756,679.46/1,135,353.54 = 396,764.36/x
  3. Step 3: Cross multiply
    756,679.46x = 1,135,353.54 × 396,764.36
  4. Step 4: Simplify right side
    756,679.46x = 450,467,820,671.83
  5. Step 5: Solve for x
    x = 450,467,820,671.83/756,679.46
  6. Step 6: Final answer
    x = 595,321.86

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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.