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Finding the Fourth Proportional to 523,369.87, 784,923.57 and 382,869.70

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Solution

The fourth proportional to 523,369.87, 784,923.57 and 382,869.70 is: 574,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,369.87 : 784,923.57 = 382,869.70 : x
  2. Step 2: Convert to fraction form
    523,369.87/784,923.57 = 382,869.70/x
  3. Step 3: Cross multiply
    523,369.87x = 784,923.57 × 382,869.70
  4. Step 4: Simplify right side
    523,369.87x = 300,523,449,806.52
  5. Step 5: Solve for x
    x = 300,523,449,806.52/523,369.87
  6. Step 6: Final answer
    x = 574,208.54

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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.