Home / 775,073.41-1,162,749.53-319,410.95

Finding the Fourth Proportional to 775,073.41, 1,162,749.53 and 319,410.95

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Solution

The fourth proportional to 775,073.41, 1,162,749.53 and 319,410.95 is: 479,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,073.41 : 1,162,749.53 = 319,410.95 : x
  2. Step 2: Convert to fraction form
    775,073.41/1,162,749.53 = 319,410.95/x
  3. Step 3: Cross multiply
    775,073.41x = 1,162,749.53 × 319,410.95
  4. Step 4: Simplify right side
    775,073.41x = 371,394,926,974.13
  5. Step 5: Solve for x
    x = 371,394,926,974.13/775,073.41
  6. Step 6: Final answer
    x = 479,173.87

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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.