Home / 853,921.44-1,280,838.42-254,887.56

Finding the Fourth Proportional to 853,921.44, 1,280,838.42 and 254,887.56

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Solution

The fourth proportional to 853,921.44, 1,280,838.42 and 254,887.56 is: 382,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,921.44 : 1,280,838.42 = 254,887.56 : x
  2. Step 2: Convert to fraction form
    853,921.44/1,280,838.42 = 254,887.56/x
  3. Step 3: Cross multiply
    853,921.44x = 1,280,838.42 × 254,887.56
  4. Step 4: Simplify right side
    853,921.44x = 326,469,779,628.06
  5. Step 5: Solve for x
    x = 326,469,779,628.06/853,921.44
  6. Step 6: Final answer
    x = 382,318.28

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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.