Home / 790,085.36-1,185,791.70-341,145.56

Finding the Fourth Proportional to 790,085.36, 1,185,791.70 and 341,145.56

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Solution

The fourth proportional to 790,085.36, 1,185,791.70 and 341,145.56 is: 512,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,085.36 : 1,185,791.70 = 341,145.56 : x
  2. Step 2: Convert to fraction form
    790,085.36/1,185,791.70 = 341,145.56/x
  3. Step 3: Cross multiply
    790,085.36x = 1,185,791.70 × 341,145.56
  4. Step 4: Simplify right side
    790,085.36x = 404,527,573,539.85
  5. Step 5: Solve for x
    x = 404,527,573,539.85/790,085.36
  6. Step 6: Final answer
    x = 512,004.90

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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.