Home / 741,607.38-1,112,412.87-209,131.20

Finding the Fourth Proportional to 741,607.38, 1,112,412.87 and 209,131.20

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Solution

The fourth proportional to 741,607.38, 1,112,412.87 and 209,131.20 is: 313,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,607.38 : 1,112,412.87 = 209,131.20 : x
  2. Step 2: Convert to fraction form
    741,607.38/1,112,412.87 = 209,131.20/x
  3. Step 3: Cross multiply
    741,607.38x = 1,112,412.87 × 209,131.20
  4. Step 4: Simplify right side
    741,607.38x = 232,640,238,398.54
  5. Step 5: Solve for x
    x = 232,640,238,398.54/741,607.38
  6. Step 6: Final answer
    x = 313,697.31

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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.