Home / 681,025.70-1,020,809.55-231,329.90

Finding the Fourth Proportional to 681,025.70, 1,020,809.55 and 231,329.90

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Solution

The fourth proportional to 681,025.70, 1,020,809.55 and 231,329.90 is: 346,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,025.70 : 1,020,809.55 = 231,329.90 : x
  2. Step 2: Convert to fraction form
    681,025.70/1,020,809.55 = 231,329.90/x
  3. Step 3: Cross multiply
    681,025.70x = 1,020,809.55 × 231,329.90
  4. Step 4: Simplify right side
    681,025.70x = 236,143,771,120.55
  5. Step 5: Solve for x
    x = 236,143,771,120.55/681,025.70
  6. Step 6: Final answer
    x = 346,747.22

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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.