Home / 764,900.20-1,147,422.26-225,156.84

Finding the Fourth Proportional to 764,900.20, 1,147,422.26 and 225,156.84

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Solution

The fourth proportional to 764,900.20, 1,147,422.26 and 225,156.84 is: 337,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,900.20 : 1,147,422.26 = 225,156.84 : x
  2. Step 2: Convert to fraction form
    764,900.20/1,147,422.26 = 225,156.84/x
  3. Step 3: Cross multiply
    764,900.20x = 1,147,422.26 × 225,156.84
  4. Step 4: Simplify right side
    764,900.20x = 258,349,970,207.26
  5. Step 5: Solve for x
    x = 258,349,970,207.26/764,900.20
  6. Step 6: Final answer
    x = 337,756.44

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Double scale
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1.5x scale

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.