Home / 817,195.26-1,225,792.89-256,273.50

Finding the Fourth Proportional to 817,195.26, 1,225,792.89 and 256,273.50

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Solution

The fourth proportional to 817,195.26, 1,225,792.89 and 256,273.50 is: 384,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,195.26 : 1,225,792.89 = 256,273.50 : x
  2. Step 2: Convert to fraction form
    817,195.26/1,225,792.89 = 256,273.50/x
  3. Step 3: Cross multiply
    817,195.26x = 1,225,792.89 × 256,273.50
  4. Step 4: Simplify right side
    817,195.26x = 314,138,234,195.42
  5. Step 5: Solve for x
    x = 314,138,234,195.42/817,195.26
  6. Step 6: Final answer
    x = 384,410.25

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Similar ratio
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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.