Home / 790,149.15-1,185,175.05-486,601.14

Finding the Fourth Proportional to 790,149.15, 1,185,175.05 and 486,601.14

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Solution

The fourth proportional to 790,149.15, 1,185,175.05 and 486,601.14 is: 729,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,149.15 : 1,185,175.05 = 486,601.14 : x
  2. Step 2: Convert to fraction form
    790,149.15/1,185,175.05 = 486,601.14/x
  3. Step 3: Cross multiply
    790,149.15x = 1,185,175.05 × 486,601.14
  4. Step 4: Simplify right side
    790,149.15x = 576,707,530,429.56
  5. Step 5: Solve for x
    x = 576,707,530,429.56/790,149.15
  6. Step 6: Final answer
    x = 729,871.73

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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.