Home / 817,453.84-1,226,388.12-256,493.20

Finding the Fourth Proportional to 817,453.84, 1,226,388.12 and 256,493.20

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Solution

The fourth proportional to 817,453.84, 1,226,388.12 and 256,493.20 is: 384,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,453.84 : 1,226,388.12 = 256,493.20 : x
  2. Step 2: Convert to fraction form
    817,453.84/1,226,388.12 = 256,493.20/x
  3. Step 3: Cross multiply
    817,453.84x = 1,226,388.12 × 256,493.20
  4. Step 4: Simplify right side
    817,453.84x = 314,560,213,340.78
  5. Step 5: Solve for x
    x = 314,560,213,340.78/817,453.84
  6. Step 6: Final answer
    x = 384,804.86

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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.