Home / 770,736.08-1,155,865.08-271,983.44

Finding the Fourth Proportional to 770,736.08, 1,155,865.08 and 271,983.44

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Solution

The fourth proportional to 770,736.08, 1,155,865.08 and 271,983.44 is: 407,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,736.08 : 1,155,865.08 = 271,983.44 : x
  2. Step 2: Convert to fraction form
    770,736.08/1,155,865.08 = 271,983.44/x
  3. Step 3: Cross multiply
    770,736.08x = 1,155,865.08 × 271,983.44
  4. Step 4: Simplify right side
    770,736.08x = 314,376,160,634.28
  5. Step 5: Solve for x
    x = 314,376,160,634.28/770,736.08
  6. Step 6: Final answer
    x = 407,890.81

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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.