Home / 689,201.70-1,033,379.19-267,986.58

Finding the Fourth Proportional to 689,201.70, 1,033,379.19 and 267,986.58

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Solution

The fourth proportional to 689,201.70, 1,033,379.19 and 267,986.58 is: 401,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,201.70 : 1,033,379.19 = 267,986.58 : x
  2. Step 2: Convert to fraction form
    689,201.70/1,033,379.19 = 267,986.58/x
  3. Step 3: Cross multiply
    689,201.70x = 1,033,379.19 × 267,986.58
  4. Step 4: Simplify right side
    689,201.70x = 276,931,754,971.27
  5. Step 5: Solve for x
    x = 276,931,754,971.27/689,201.70
  6. Step 6: Final answer
    x = 401,815.25

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1.5x scale

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.