Home / 851,650.32-1,277,257.44-252,471.36

Finding the Fourth Proportional to 851,650.32, 1,277,257.44 and 252,471.36

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Solution

The fourth proportional to 851,650.32, 1,277,257.44 and 252,471.36 is: 378,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,650.32 : 1,277,257.44 = 252,471.36 : x
  2. Step 2: Convert to fraction form
    851,650.32/1,277,257.44 = 252,471.36/x
  3. Step 3: Cross multiply
    851,650.32x = 1,277,257.44 × 252,471.36
  4. Step 4: Simplify right side
    851,650.32x = 322,470,922,946.92
  5. Step 5: Solve for x
    x = 322,470,922,946.92/851,650.32
  6. Step 6: Final answer
    x = 378,642.40

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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.