Home / 817,171.26-1,225,756.89-256,249.50

Finding the Fourth Proportional to 817,171.26, 1,225,756.89 and 256,249.50

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Solution

The fourth proportional to 817,171.26, 1,225,756.89 and 256,249.50 is: 384,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,171.26 : 1,225,756.89 = 256,249.50 : x
  2. Step 2: Convert to fraction form
    817,171.26/1,225,756.89 = 256,249.50/x
  3. Step 3: Cross multiply
    817,171.26x = 1,225,756.89 × 256,249.50
  4. Step 4: Simplify right side
    817,171.26x = 314,099,590,184.06
  5. Step 5: Solve for x
    x = 314,099,590,184.06/817,171.26
  6. Step 6: Final answer
    x = 384,374.25

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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.