Home / 817,172.26-1,225,758.39-256,250.50

Finding the Fourth Proportional to 817,172.26, 1,225,758.39 and 256,250.50

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Solution

The fourth proportional to 817,172.26, 1,225,758.39 and 256,250.50 is: 384,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,172.26 : 1,225,758.39 = 256,250.50 : x
  2. Step 2: Convert to fraction form
    817,172.26/1,225,758.39 = 256,250.50/x
  3. Step 3: Cross multiply
    817,172.26x = 1,225,758.39 × 256,250.50
  4. Step 4: Simplify right side
    817,172.26x = 314,101,200,316.70
  5. Step 5: Solve for x
    x = 314,101,200,316.70/817,172.26
  6. Step 6: Final answer
    x = 384,375.75

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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.