Home / 852,898.05-1,278,919.22-284,079.20

Finding the Fourth Proportional to 852,898.05, 1,278,919.22 and 284,079.20

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Solution

The fourth proportional to 852,898.05, 1,278,919.22 and 284,079.20 is: 425,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,898.05 : 1,278,919.22 = 284,079.20 : x
  2. Step 2: Convert to fraction form
    852,898.05/1,278,919.22 = 284,079.20/x
  3. Step 3: Cross multiply
    852,898.05x = 1,278,919.22 × 284,079.20
  4. Step 4: Simplify right side
    852,898.05x = 363,314,341,067.23
  5. Step 5: Solve for x
    x = 363,314,341,067.23/852,898.05
  6. Step 6: Final answer
    x = 425,976.28

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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.