Home / 852,202.20-1,278,450.93-378,924.47

Finding the Fourth Proportional to 852,202.20, 1,278,450.93 and 378,924.47

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Solution

The fourth proportional to 852,202.20, 1,278,450.93 and 378,924.47 is: 568,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,202.20 : 1,278,450.93 = 378,924.47 : x
  2. Step 2: Convert to fraction form
    852,202.20/1,278,450.93 = 378,924.47/x
  3. Step 3: Cross multiply
    852,202.20x = 1,278,450.93 × 378,924.47
  4. Step 4: Simplify right side
    852,202.20x = 484,436,341,071.26
  5. Step 5: Solve for x
    x = 484,436,341,071.26/852,202.20
  6. Step 6: Final answer
    x = 568,452.35

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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.