Home / 788,738.28-1,183,306.92-220,119.28

Finding the Fourth Proportional to 788,738.28, 1,183,306.92 and 220,119.28

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Solution

The fourth proportional to 788,738.28, 1,183,306.92 and 220,119.28 is: 330,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,738.28 : 1,183,306.92 = 220,119.28 : x
  2. Step 2: Convert to fraction form
    788,738.28/1,183,306.92 = 220,119.28/x
  3. Step 3: Cross multiply
    788,738.28x = 1,183,306.92 × 220,119.28
  4. Step 4: Simplify right side
    788,738.28x = 260,468,667,249.42
  5. Step 5: Solve for x
    x = 260,468,667,249.42/788,738.28
  6. Step 6: Final answer
    x = 330,234.60

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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.