Home / 855,139.62-1,180,092.78-467,955.12

Finding the Fourth Proportional to 855,139.62, 1,180,092.78 and 467,955.12

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Solution

The fourth proportional to 855,139.62, 1,180,092.78 and 467,955.12 is: 645,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,139.62 : 1,180,092.78 = 467,955.12 : x
  2. Step 2: Convert to fraction form
    855,139.62/1,180,092.78 = 467,955.12/x
  3. Step 3: Cross multiply
    855,139.62x = 1,180,092.78 × 467,955.12
  4. Step 4: Simplify right side
    855,139.62x = 552,230,458,476.03
  5. Step 5: Solve for x
    x = 552,230,458,476.03/855,139.62
  6. Step 6: Final answer
    x = 645,778.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.