Home / 855,859.24-1,283,914.05-256,867.78

Finding the Fourth Proportional to 855,859.24, 1,283,914.05 and 256,867.78

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Solution

The fourth proportional to 855,859.24, 1,283,914.05 and 256,867.78 is: 385,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,859.24 : 1,283,914.05 = 256,867.78 : x
  2. Step 2: Convert to fraction form
    855,859.24/1,283,914.05 = 256,867.78/x
  3. Step 3: Cross multiply
    855,859.24x = 1,283,914.05 × 256,867.78
  4. Step 4: Simplify right side
    855,859.24x = 329,796,151,734.31
  5. Step 5: Solve for x
    x = 329,796,151,734.31/855,859.24
  6. Step 6: Final answer
    x = 385,339.24

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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.