Home / 733,621.70-1,100,979.30-378,452.90

Finding the Fourth Proportional to 733,621.70, 1,100,979.30 and 378,452.90

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Solution

The fourth proportional to 733,621.70, 1,100,979.30 and 378,452.90 is: 567,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,621.70 : 1,100,979.30 = 378,452.90 : x
  2. Step 2: Convert to fraction form
    733,621.70/1,100,979.30 = 378,452.90/x
  3. Step 3: Cross multiply
    733,621.70x = 1,100,979.30 × 378,452.90
  4. Step 4: Simplify right side
    733,621.70x = 416,668,808,924.97
  5. Step 5: Solve for x
    x = 416,668,808,924.97/733,621.70
  6. Step 6: Final answer
    x = 567,961.40

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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.