Home / 509,924.20-764,886.30-454,811.80

Finding the Fourth Proportional to 509,924.20, 764,886.30 and 454,811.80

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Solution

The fourth proportional to 509,924.20, 764,886.30 and 454,811.80 is: 682,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,924.20 : 764,886.30 = 454,811.80 : x
  2. Step 2: Convert to fraction form
    509,924.20/764,886.30 = 454,811.80/x
  3. Step 3: Cross multiply
    509,924.20x = 764,886.30 × 454,811.80
  4. Step 4: Simplify right side
    509,924.20x = 347,879,314,898.34
  5. Step 5: Solve for x
    x = 347,879,314,898.34/509,924.20
  6. Step 6: Final answer
    x = 682,217.70

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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.