Home / 712,004.12-1,067,840.05-206,429.41

Finding the Fourth Proportional to 712,004.12, 1,067,840.05 and 206,429.41

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Solution

The fourth proportional to 712,004.12, 1,067,840.05 and 206,429.41 is: 309,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,004.12 : 1,067,840.05 = 206,429.41 : x
  2. Step 2: Convert to fraction form
    712,004.12/1,067,840.05 = 206,429.41/x
  3. Step 3: Cross multiply
    712,004.12x = 1,067,840.05 × 206,429.41
  4. Step 4: Simplify right side
    712,004.12x = 220,433,591,495.87
  5. Step 5: Solve for x
    x = 220,433,591,495.87/712,004.12
  6. Step 6: Final answer
    x = 309,595.95

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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.