Home / 855,232.20-1,282,684.27-256,212.90

Finding the Fourth Proportional to 855,232.20, 1,282,684.27 and 256,212.90

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Solution

The fourth proportional to 855,232.20, 1,282,684.27 and 256,212.90 is: 384,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,232.20 : 1,282,684.27 = 256,212.90 : x
  2. Step 2: Convert to fraction form
    855,232.20/1,282,684.27 = 256,212.90/x
  3. Step 3: Cross multiply
    855,232.20x = 1,282,684.27 × 256,212.90
  4. Step 4: Simplify right side
    855,232.20x = 328,640,256,601.08
  5. Step 5: Solve for x
    x = 328,640,256,601.08/855,232.20
  6. Step 6: Final answer
    x = 384,270.21

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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.