Home / 775,407.72-1,069,932.24-431,198.52

Finding the Fourth Proportional to 775,407.72, 1,069,932.24 and 431,198.52

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Solution

The fourth proportional to 775,407.72, 1,069,932.24 and 431,198.52 is: 594,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,407.72 : 1,069,932.24 = 431,198.52 : x
  2. Step 2: Convert to fraction form
    775,407.72/1,069,932.24 = 431,198.52/x
  3. Step 3: Cross multiply
    775,407.72x = 1,069,932.24 × 431,198.52
  4. Step 4: Simplify right side
    775,407.72x = 461,353,198,388.29
  5. Step 5: Solve for x
    x = 461,353,198,388.29/775,407.72
  6. Step 6: Final answer
    x = 594,981.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.