Home / 741,067.90-1,110,743.91-340,868.77

Finding the Fourth Proportional to 741,067.90, 1,110,743.91 and 340,868.77

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Solution

The fourth proportional to 741,067.90, 1,110,743.91 and 340,868.77 is: 510,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,067.90 : 1,110,743.91 = 340,868.77 : x
  2. Step 2: Convert to fraction form
    741,067.90/1,110,743.91 = 340,868.77/x
  3. Step 3: Cross multiply
    741,067.90x = 1,110,743.91 × 340,868.77
  4. Step 4: Simplify right side
    741,067.90x = 378,617,910,386.69
  5. Step 5: Solve for x
    x = 378,617,910,386.69/741,067.90
  6. Step 6: Final answer
    x = 510,908.53

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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.