Home / 855,944.82-1,283,914.17-256,903.38

Finding the Fourth Proportional to 855,944.82, 1,283,914.17 and 256,903.38

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Solution

The fourth proportional to 855,944.82, 1,283,914.17 and 256,903.38 is: 385,354.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,944.82 : 1,283,914.17 = 256,903.38 : x
  2. Step 2: Convert to fraction form
    855,944.82/1,283,914.17 = 256,903.38/x
  3. Step 3: Cross multiply
    855,944.82x = 1,283,914.17 × 256,903.38
  4. Step 4: Simplify right side
    855,944.82x = 329,841,889,902.90
  5. Step 5: Solve for x
    x = 329,841,889,902.90/855,944.82
  6. Step 6: Final answer
    x = 385,354.15

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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.